1 Gas exchange in the lungs basically follows a concentraton gradient of
A high to low
B low to high
C oxygen conversion to carbon dioxide
D none of the above
2 The physiological basis for a warm up prior to prolonged excercise is to increase
A energy production from the aerobic system
B energy production from the ATP-PC system
C lactic acid production
D insulin secretion
3 Aerobic production of ATP can be derived from oxidation of
A protein
B fat
C carbohydrate
D all of the above

1.A.
2.A.
3.D.
1. C
2. i think its B. but its supposed to be ATP-CP system
3. B…fatty acid.
1:A
2:D
3:D