Name:

Respiration

Data Table 1 – Normal breathing measurements
	Trial 1	Trial 2	Trial 3	Average of Trials	
# breaths in 30 sec					
Average # breaths per min					

Data Table 2 – Ventilation measurements
Measurement	Value	
Tidal Volume (mL) – at rest		
Tidal Volume + Expiratory Reserve Volume (mL) – at rest		
Vital Capacity (mL) – at rest		
Minute Ventilation – at rest		
Tidal Volume (mL) – after exercise		
Tidal Volume + Expiratory Reserve Volume (mL) – after exercise		
Vital Capacity (mL) – after exercise		
*Minute Ventilation is how much air is moved from the lungs in one minute.

Data Table 3 – Normal breathing measurements of partner
	Trial 1	Trial 2	Trial 3	Average of Trials	
# breaths in 30 sec					
Average # breaths per min					

Data Table 4 – Ventilation measurements of partner
Measurement	Value	
Tidal Volume (mL) – at rest		
Tidal Volume + Expiratory Reserve Volume (mL) – at rest		
Vital Capacity (mL) – at rest		
Minute Ventilation – at rest		
Tidal Volume (mL) – after exercise		
Tidal Volume + Expiratory Reserve Volume (mL) – after exercise		
Vital Capacity (mL) – after exercise		
*Minute Ventilation is how much air is moved from the lungs in one minute.

Questions:

A.	Are the values for "Average # breaths per min" and "Tidal Volume (mL) – Rest" similar to the partner's values?  Why?
Answer

B.	An average adult respires 6 liters of air per minute.  How does this compare to your "Minute Ventilation – Rest" and the partner's "Minute Ventilation – Rest?"  (Use your respiratory rate and tidal volume to calculate minute ventilation.)
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C.	What would happen to the "Average # breaths per min" and "Tidal Volume (mL) – Rest" just after exercising?  Why? 
Answer

D.	An Estimated Vital Capacity for females is about 3.1 L, and for males is about 4.5 L.  Based on the gender of those tested, are the values found in this experiment similar? 
Answer

E.	How does your estimated Vital Capacity compare to your actual? If it is different, what do you think would cause the difference? 
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