(NAFC) National Association for Fitness Certification Practice Test
(NAFC) National Association for Fitness Certification FREE NAFC Exercise Science Questions and Answers
What is the primary function of the cardiovascular system during exercise?
Select your answer
A
To deliver oxygen and nutrients to tissues
B
To digest food efficiently
C
To eliminate waste products through sweat
D
To provide structural support to muscles
Need a hint?
(H)