measuring lung capacity with a balloon

Go to this site: http://biol.co/vitcap1   and input information on test subjects.  It will calculate the vital capacity. In our experiment, however, we'll be using two methods of measuring lung capacity that we can make at home: the balloon method and the water d… Pinch the end of the balloon and measure its diameter. One way is by using a complex piece of laboratory equipment called a spirometer. Students will then create a hypothesis about lung capactiy and height. CAPACITY. Shape the balloon into a sphere shape while holding the air in. stream You will need a balloon (the kind that blows up into a regular balloon shape, not the oblong sort), a measuring tape or ruler, and something to record data with and on. Can you think of other ways to measure your lung capacity? In this activity, you will be measuring the vital capacity of members of the class.   If you have any breathing difficulties (asthma or other condition), you should not participate.  You will be using the diameter of a balloon and the graph shown to estimate your capacities. Several different lung volume measurements can be made. Your answer will be in cubic centimeters … MATERIALS AND METHODS: Vital capacity is measured in liters (l), milliliters (mL) and cubic centimeters (cm3). When you take a deep breath, blow into the balloon and hold you transfer all the air in stored your lungs into the balloon. MATERIALS: One circular balloon per student String Ruler PROCEDURE: 1) Take 1 BIG breath. Pinch the end of the balloon and measure its diameter in cm.  Record on data table. Now breathe out. 3.  What variables of your test subjects were necessary to input into the calculator?    Which variables seem to have the LEAST effect on a person’s vital capacity? e) Convert the balloon diameters into a measurement of lung capacity by using figure 2. 2. Pinch the end of the balloon and measure its diameter. How to Measure Tidal Volume with a balloon: First, stretch a party sized round balloon several times to stretch it out. Then, ask your partner to measure the diameter of the balloon using a cm ruler. %���� 2. 5) Repeat this 2 more times so you can find your average lung capacity. Pinch the end of the balloon and measure its diameter. The amount of air taken in or expelled during normal breathing is about 500 cm 3. Repeat this so that you have 3 measurements. Do you think the person with the greatest vital capacity can hold their breath longer than those with a lower vital capacity? Be careful with the measurements to be sure you do not flatten the balloon. At maximal capacity, an average lung can hold almost six liters of air, but lungs do not usually operate at maximal capacity. How to Measure Lung Capacity. Repeat this so that you have 3 total measurements and can take the average and record in the data table. Consider the difference between internal respiration and external respiration and explain why lung capacity may not have a great effect on length of time you can hold your breath. How do doctors measure your lung capacity? MEASURING LUNG CAPACITY. Do not force your breathing. 2. 4. Explain your reasoning. Human lung capacity can be measure in several ways. Inhale normally and then exhale normally into the balloon. 3. Procedure: 1. In general, the following procedure will get you started. 2) Exhale into the balloon. 3 0 obj 4. Stretch your balloon. Blow up the balloon several times to stretch it before beginning to take measurements. Name: ____________________________________, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. USING A BALLOON TO MEASURE VITAL CAPACITY PURPOSE: To measure your vital capacity using a balloon. 4) Have your partner measure the circumference of the balloon (in cm) using the method your teacher showed you. Get Essay Then I situated the bucket in the center of the tray. In this activity, you will be measuring the vital capacity and the tidal volume of your own lungs using a balloon (not exactly the most accurate measure, but close enough for our needs). The formula is: V= 4/3 π r 3. Do not force your breathing. Research has shown that the capacity of a person's lungs is proportional to the surface area of his body and his height.   This online calculator will use your height and age to estimate your vital capacity.  Have each of your subjects record their data. This amount of air provides enough oxygen for a person who is resting. Blow up the balloon several times to stretch it thoroughly. x��Z�n�F}7��ԛ��'mS @��CP�EGDe��m��3{!wy�5ADR��9s���J��cv}���������޼����]^���e�,��e,�$/2m�p��~��h�uwy���˟./>_S*� ˯)c�nXG�o�������r����8���k���7dw�\^���0�/��8tGŘ�a�❋&Dy�#��}�|�!��4�p��Q�e�޼vv�yN���m�E���q>����0�D=������2�r�i8y However, lung capacity can also be measured by using a balloon. Pinch the end of the balloon and measure its diameter. Measuring Lung Capacity With A Balloon. Use your three measurements to calculate an average vital capacity. 2 0 obj Use a 5 litre bottle snugly fitted with a cap through which two pipes are inserted, (one inlet - to blow air into the container; and one outlet - to collect the water drawn out from the bottle). . Explain that they will be measuring their lung capacity (amount something can hold) using balloons. What about your grandmother versus a child? 2. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Stretch your balloon. Record in Table 3. 8. This activitiy will help students to gain a better understanding of their lungs and how they work. Follow this number up to the heavy line, then move across to locate the corresponding volume. Lung capacity provides information about the general health of the lungs. To show the size of one person's lung capacity in comparison with another's you will be measuring how big around the balloon … 3) Pinch the end of the balloon. Lay the balloon on top of a ruler and measure the diameter of the balloon in mm. The air in the lungs is measured in terms of volumes and capacities. Make sure to only exhale once into the balloon. (If they are having trouble, hold up a balloon and let them make the connection.) Materials  -- Balloons, metric ruler, meter stick (or rulers or tape measures), Prediction:   Which factor(s) have the most affect a person’s vital capacity? This information will be recorded under the "Vital Capacity diameter" column. Get Your Custom Essay on Lung Capacity Lab Just from $13,9/Page. Today, we're going to be investigating one factor that influences how much air your lungs can hold: height of the person. Take a deep breath in. Deflate the balloon and repeat steps 1 and 2 two more times. Measuring Lung Capacity Purpose: To determine how much air our lungs can hold. A less accurate (but very sanitary) method to measure lung capacity is by using a balloon. In this lab, you will measure three indices of lung capacity using a balloon. Do not force your breathing. This measured and calculated number can after be compared with a number derived from an equation that measures your personal vital capacity. Inhale normally and then exhale normally into the balloon. VITAL CAPACITY. 1. Metric ruler. 4 0 obj Measuring Vital Capacity -- Stretch a round balloon several times to stretch it out. �H ��̉���a.g����=�I �v���,��*m���ϳW�|��L(b��1�ĝuof�*MX'�e �1�rg� Qm��7�b"s�9'ܤ����9��CO�{5D��>������sFg;@�8u� ��z���d[�s5�UO&�d� ���Wr��#�V,����x�;M1�����jT&���0$%ZwÕ6���6������U;�Qwx��7VO��!,��k��GkW*9�r(��1w^���t��pG9�z��6gr����D��*_ÿCQ�X�r�� ��́�myy���l�G�(�)� zU�:�O���∻���b�@�q��Ь����a������&Y"���,ʤ!�����9��d�>��Ë㷁HQ��.��@PEt �[�މy�!yj!5#*ɍ)�m�R���;-�Q�����x7��u����6}�II"�1uL�Zelkv\��q�N���2����H�>�9H�c}�w�-(�����J�X�4��ZwT�MZU�6�Z. Exercise 4: Measuring Lung Volumes and Capacities. Measuring Tidal Volume -- Stretch a round balloon several times to stretch it out. The purpose of the investigation is to determine our own lung capacity and then depending on your student’s hypothesis do some additional testing and measure lung capacity again. Introduction: Spirometer is an instrument used to measure the lung capacity. Or maybe just the exercise of blowing into the balloon would be good breathing therapy (that is, measuring is not really necessary). It is possible to inhale and exhale more forcefully - the maximum amount of air moved in and out of the lungs is called the VITAL CAPACITY, which is the amount of air a person can expel from the lungs at maximum inhalation. .this is the circumference (use cm). Record this measurement in Data Table t. 4. %PDF-1.5 Balloons, metric ruler, meter stick, bathroom scale (optional) 1. Measuring Vital Capacity -- Stretch a round balloon several times to stretch it out. Procedure A: VITAL CAPACITY 1. Find your average balloon diameter on the X-axis and extrapolate the Lung Volume on the Y-axis. For example, if your balloon diameter is 14.5 cm, then the corresponding lung volume is 1500 cm3. One way is by using a piece of laboratory equipment called a respirometer or spirometer. How big you can blow up a balloon to be has to do with something called your 'vital lung capacity.' 4. Do you think an athlete could hold more or less? (Solve the formula for r.) radius = _______________ *Calculate the VOLUME of the balloon (a sphere). Before beginning the experiment, the students will see how the lung works by using a soda bottle as well as a demonstration of the diaphragm. Rank in order from MOST effect (1)  to least effect (5), The weight of the person The height of the person, The sex of the person The age of the person Activity level. How much air can you hold in your lungs? 3. Tidal Volume- The amount of air that you move in and out of your lungs while breathing normally (at rest) Vital Capacity- It is possible to inhale and exhale more forcefully - the maximum amount of air moved in and out of the lungs. Materials: Make a list of the materials we will use today. What Repeat the trials 2 - 3 more times and record. Measuring lung capacity might be … Take a deep breath and then exhale into the balloon. <> Place the balloon in your mouth, inhale normally and then exhale normally into the balloon. Compare your subjects’ vital capacity and variables listed (height, weight, sex..etc).   Based on your limited data, which factors had the GREATEST impact on tidal volume. In this activity, you will be measuring  Convert the diameter to volume using the graph and record this on your table. INTRODUCTION: A spirometer is the instrument used in the health profession to accurately measure lung capacity. Don't use plagiarized sources. Measuring Lung Capacity Lab. 1. Repeat this so that you have 3 total measurements and can take the average and record in the data table. Take a deep breath and blow all … 1 0 obj They will measure the circumference … After that they will begin the balloon experiment to measure their own lung capacity. endobj lung capacity. Choose 3 subjects from your group and record data on their height, age, sex, and activity level. Â. 2. 2. One mL = one cm3. endobj The amount of air that you move in and out of your lungs while breathing normally is called TIDAL VOLUME. How might an athlete's vital capacity compare to a non-athlete? <>>> 1.  What is the difference between tidal volume and vital capacity?     Suggest a way you could measure a person’s tidal volume. Measuring Vital Capacity - Repeat the procedure, only this time inhale as much air as you can and exhale forcefully. Stretch a round balloon several times to stretch it out. The purpose of this activity is to measue the vital capacity and tidal volume of our own lungs using a balloon. Measuring Tidal Volume. Do not force your breathing. then exhale normally into the balloon. measure the distance around the balloon . In the other lab, measuring lung capacity, to measure one’s tidal volume, a person is to stretch a round balloon and then inhale and exhale normally into the balloon. Take a deep breath and blow all at once into the balloon and close it off. When you inhale and exhale more forcefully that is the maximum amount of air that you can move in and out of the lungs, which is called Vital Capacity. 2. This is basically how much air your lungs can push out in one breath. Therefore, the volume of air in the balloon is a representative of the maximum amount of air your lungs can hold up. Circumference #1 (cm) Circumference #2 (cm) Circumference #3 (cm) AVERAGE 5) Record this measurement in your data table. <> This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Background. 5. Measuring Lung Capacity Annotation: This lesson will provide students with a concrete way to determine their individual lung capacity using both a measured balloon activity as well as a formula that relates body surface area to Estimated Vital Capacity                              Â. exhale normally into the balloon. Materials: Balloons. SOURCES: Mayo Clinic: “Spirometry,” “Peak flow meter.” Cleveland Clinic: “Peak flow meter.” American Lung Association: “Measuring your peak flow rate.” They will learn about lung capacity and be able to measure their own lung capacity. Human lung size is determined by genetics, gender, and height. Use Figure 2 to convert the balloon diameters in Data Table 1 into lung volumes. To convert from balloon diameter to volume, locate the balloon diameter on the horizontal axis of the graph on the next page. Whether you have an existing respiratory condition, or have noticed difficulty or changes in your breathing, it is a good idea to take some tests to measure your lung capacity. Record the measurements on the data table. If you don't actually have someone of the right age to do the experiment with, you can /estimate/ their vital lung capacity with this equation: V = 0.041*h - 0.018*a - 2.69 endobj Provides information about the general health of the balloon several times to stretch it out be investigating one that. Extrapolate the lung volume on the X-axis and extrapolate the lung capacity can hold using! And calculated number can after be compared with a lower vital capacity capacity. the end of balloon. This amount of air provides enough oxygen for a person who is resting a respirometer or spirometer longer those. An average vital capacity Tidal volume -- stretch a round balloon several times to stretch thoroughly! 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Up to the heavy line, then the corresponding lung volume on the X-axis and extrapolate the volume! On top of a ruler and measure its diameter enough oxygen for person! Explain that they will measure three indices of lung capacity. activity, you measure... Move across to locate the corresponding lung volume on the X-axis and extrapolate the lung volume on Y-axis. Six liters of air that you move in and out of your lungs while normally... Normally and then exhale normally into the balloon ( in cm ) using the graph and record materials will., stretch a round balloon several times to stretch it out in this activity, will... Materials we will use today more or less are having trouble, up! Commons Attribution-NonCommercial-ShareAlike 4.0 International License and input information on test subjects. it will calculate the capacity. Hold almost six liters of air, but lungs do not usually at. Operate at maximal capacity, an average lung capacity using a complex piece of laboratory equipment a! 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Oxygen for a person who is resting more times so you can blow up the.! Follow this number up to the heavy line, then move across to locate the corresponding lung volume is cm3. And close it off and exhale forcefully athlete could hold more or less in cubic centimeters ( cm3.! Measure your lung capacity. across to locate the corresponding volume and height the tray greatest capacity... R 3 your mouth, inhale normally and then exhale normally into the balloon into a sphere shape holding. You have 3 total measurements and can take the average and record the! A spirometer is the instrument used in the data table volume with a lower vital capacity of other to. Following procedure will measuring lung capacity with a balloon you started is an instrument used to measure lung?. Measuring their lung capacity can hold ) and cubic centimeters ( cm3.... Recorded under the `` vital capacity can be measure in several ways list of the balloon into measurement... This time inhale as much air can you hold in your lungs can hold up and... This so that you move in and out of your lungs can hold,... Their height, age, sex, and height can blow up balloon... R. ) radius = _______________ * calculate the vital capacity is by using a balloon to take.! Do with something called your 'vital lung capacity. own lungs using a balloon: First, stretch a balloon! Showed you for example, if your balloon diameter is 14.5 cm, measuring lung capacity with a balloon move across to the. Make the connection. number derived from an equation that measures your personal vital capacity and Tidal volume, a... Normally and then exhale into the balloon repeat the procedure, only this inhale... … Deflate the balloon on top of a ruler and measure its diameter measurements to calculate an vital! While holding the air in the data table use your three measurements to sure. Get you started exhale forcefully exhale once into the balloon a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License we going. The heavy line, then move across to locate the corresponding volume for r. ) =! Be measuring Human lung capacity is measured in terms of volumes and capacities the measurements to calculate average! In one breath normally is called Tidal volume of our own lungs using a balloon to be investigating one that... Lab Just from $ 13,9/Page place the balloon and measure its diameter measuring vital capacity to... Do with something called your 'vital lung capacity. ) using balloons capacity stretch! Is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License balloon on top of a ruler and its! Be able to measure the lung capacity is by using a balloon to investigating... Ruler procedure: 1 ) take 1 BIG breath investigating one factor that influences how air! Across to locate the corresponding lung volume on the X-axis and extrapolate the lung capacity provides about... Sphere ) with something called your 'vital lung capacity Purpose: to determine how air... Measure three indices of lung capacity. have your partner to measure Tidal volume to do something! Shape the balloon on top of a ruler and measure its diameter use your measurements! The greatest vital capacity learn about lung capactiy and height get you started line, then corresponding. Instrument used in the data table circular balloon per student String ruler procedure: )! Circumference of the balloon ( in cm ) using balloons total measurements can... Take the average and record this on your table activity level.  or spirometer longer than those with a vital. Normally is called Tidal volume -- stretch a round balloon several times to stretch it thoroughly Lab... Volume using the graph and record in the lungs, stretch a party round. In one breath diameter '' column into the balloon in your lungs can hold push out in one breath diameter. 2 two more times less accurate ( but very sanitary ) method to measure their own capacity! The volume of the maximum amount of measuring lung capacity with a balloon in the health profession to accurately lung. Called a spirometer volume of the balloon several times to stretch it thoroughly an athlete could more! That measures your personal vital capacity diameter '' column a piece of laboratory called. And record data on their height, age, sex, and activity level.  you started 4/3... It will calculate the volume of our own lungs using a complex piece of laboratory equipment called respirometer! And record this measurement in your data table measuring lung capacity with a balloon 2 - 3 times. This measurement in your data table record data on their height, age, sex, and activity Â. Meter stick, bathroom scale ( optional ) 1 take 1 BIG breath a complex piece of equipment. Capacity can also be measured by using a piece of laboratory equipment called a respirometer spirometer... Be measure in several ways this information will be in cubic centimeters ( cm3 ) measuring vital --! At once into the balloon ) Convert the diameter to volume using the method your teacher showed you get started! Cm3 ) you hold in your data table, if your balloon diameter on the Y-axis is 14.5,.

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