Heart rate:
a. sympathetic
b. central
c. parasympathetic
d. enteric

What is the difference in the phisical activity requirements for achieving healt benefits and performance?

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people