File-018 - BIO 119 File-018 McCague Exercise VI Purpose: To...

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BIO 119 McCague File-018 Exercise VI Purpose: To study factors influencing respiration. Materials: 1. Ca(OH) 2 2. Beakers 3. Straws 4. Slides of artery vein and capillary 5. Spirometer Procedure: 1. Count the number of respirations in quiet breathing. Simultaneously count the pulse rate. Correlate the two. 2. Exercise for a few minutes. Repeat number 1 and note if the same or a different relationship exists. 3. Breath by a tube into a beaker of Ca(OH) 2 . What happens? Why? 4. Set up a spirometer to measure the volume of respired air. Determine the volume of air expired in: A. A natural inspiration after a normal expiration (tidal air) B. The greatest possible expiration after a normal inspiration (Supplemental and tidal air) C. The greatest possible expiration after the greatest possible inspiration (vital capacity). Reset the apparatus and begin again and now determine the volume of air inspired in. (1) A normal inspiration after a normal expiration (tidal air). (2) The greatest possible inspiration after a normal
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This note was uploaded on 06/13/2011 for the course BIO 119 taught by Professor Stevendroho during the Spring '11 term at Moraine Valley Community College.

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File-018 - BIO 119 File-018 McCague Exercise VI Purpose: To...

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