measuring lung capacity with a balloon

4) Have your partner measure the circumference of the balloon (in cm) using the method your teacher showed you. 2. How much air can you hold in your lungs? 3 0 obj How might an athlete's vital capacity compare to a non-athlete? Can you think of other ways to measure your lung capacity? Â Convert the diameter to volume using the graph and record this on your table. This is basically how much air your lungs can push out in one breath. Measuring lung capacity might be … One way is by using a piece of laboratory equipment called a respirometer or spirometer. MATERIALS: One circular balloon per student String Ruler PROCEDURE: 1) Take 1 BIG breath. 2. The amount of air taken in or expelled during normal breathing is about 500 cm 3. This amount of air provides enough oxygen for a person who is resting. Now breathe out. Several different lung volume measurements can be made. Pinch the end of the balloon and measure its diameter. measure the distance around the balloon . <> Choose 3 subjects from your group and record data on their height, age, sex, and activity level.Â Â. They will measure the circumference … Do not force your breathing. Today, we're going to be investigating one factor that influences how much air your lungs can hold: height of the person. 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 Human lung capacity can be measure in several ways. Be careful with the measurements to be sure you do not flatten the balloon. They will learn about lung capacity and be able to measure their own lung capacity. Find your average balloon diameter on the X-axis and extrapolate the Lung Volume on the Y-axis. �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. Record in Table 3. Inhale normally and then exhale normally into the balloon. 1.Â What is the difference between tidal volume and vital capacity?Â Â Â Â Suggest a way you could measure a person’s tidal volume. 2) Exhale into the balloon. The formula is: V= 4/3 π r 3. Then, ask your partner to measure the diameter of the balloon using a cm ruler. One way is by using a complex piece of laboratory equipment called a spirometer. Pinch the end of the balloon and measure its diameter. Or maybe just the exercise of blowing into the balloon would be good breathing therapy (that is, measuring is not really necessary). Don't use plagiarized sources. Measuring Tidal Volume. Take a deep breath and blow all at once into the balloon and close it off. Get Essay Then I situated the bucket in the center of the tray. The amount of air that you move in and out of your lungs while breathing normally is called TIDAL VOLUME. Materials: Make a list of the materials we will use today. Procedure A: VITAL CAPACITY 1. 4. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> One mL = one cm3. The air in the lungs is measured in terms of volumes and capacities. CAPACITY. Stretch a round balloon several times to stretch it out. exhale normally into the balloon. MaterialsÂ -- Balloons, metric ruler, meter stick (or rulers or tape measures), Prediction:Â Â Which factor(s) have the most affect a person’s vital capacity? 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. 8. 2. 1. In this activity, you will be measuring Repeat this so that you have 3 total measurements and can take the average and record in the data table. 2. Name: ____________________________________, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. How big you can blow up a balloon to be has to do with something called your 'vital lung capacity.'

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