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Exercise physiology ch 9
exercise
17
Physiology
Undergraduate 1
10/09/2015

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Term
Pulmonary Ventilation
Definition
Process of moving air into and out of lungs
Term
What is and what happens during expiration?
Definition
Exhaling of air. Thoracic Cavity volume decreases, air rushed out, and diaphragm returns to a relaxed position.
Term
What is and what happens during Inspiration?
Definition
Inhaling of air. Chest Cavity increases, ribs rise, and diaphragm lowers.
Term
Tidal Volume
Definition
How much air that is used per breath
Term
What is Forced Vital Capacity(FVC)?
Definition
Maxmium volume that's expired after maxmium inspiration
Term
What is Residual Lung Volume(RLV)?
Definition
The volume of air that's always in your lungs after maximum expiration.
Term
Percentage of FVC Expelled in 1 second (FEV1.0)
Definition
The volume of air that's being exhaled in 1 second.
Term
Forced Expiratory Volume to FVC ratio (FEV1.0/FVC)
Definition
The amount of air that's inhaled then exhaled and then inhaled again for 1 second.
Term
Dalton's Law
Definition
Total air P= PN2+P02+PCO2
Term
What are the percentage Concentrations of Nitrogen, Oxygen,and Carbon Dioxide in air?
Definition
79.04% N2
20.93% 02
0.03% C02
Term
Whats Henry's Law?
Definition
Gases dissolve in liquids in proportion to partial pressure.
Term
How is oxygen transported in the blood?
Definition
98-99% combined with hemoglobin
1-2% in physical solution
Term
Bohr Effect
Definition
Increase in acidity that causes a rightward shift of the curve.
Term
Blood Ph ___ during exercise
Definition
declines
Term
Increased blood temperature results in a ___ Hb-O2 bond
Definition
Weaker
Term
Myoglobin
Definition
Shuttles O2 from the membrane
Term
Blood Transports Carbon Dioxide in three ways
Definition
Physical solution in plasma (7-10%)
Loose combination with Hb (20%)
Combined with water as bicarbonate(70%)
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