Regular aerobic exercise improves the functioning of the A) ...

[Beheh]

Regular aerobic exercise improves the functioning of the
 
  A) lungs, bronchi, and large vessels.
  B) bones and muscles.
  C) skeletal and cardiac muscles.
  D) heart, lungs, and blood vessels.

Question 2

Which statement BEST summarizes the association between exercise and improved immunity?
 
  A) Long-term, heavy exercisers get the most gain in immunity versus those who exercise only moderately.
  B) Moderate-intensity exercise temporarily increases the number of white blood cells, thereby boosting immunity.
  C) Regular exercise does not have any correlation to a healthy immune system.
  D) The most significant improvements in immunity are seen when a moderate exerciser begins a more intense exercise program.

[juicepod]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

[Beheh]

Thanks for the timely response, appreciate it

[rleezy04]

Excellent