The primary function of the ________ is the transport blood ...

[Charlie]

The primary function of the ________ is the transport blood carrying oxygen and nutrients to body tissues.
 
  A) respiratory system B) circulatory system
  C) urinary system D) pulmonary circuit

Question 2

The term cardiorespiratory ________ refers to one's ability to perform aerobic exercises for a prolonged period of time
 
  A) capacity B) tness C) stability D) endurance

[guyanai]

Answer to Question 1

B

Answer to Question 2

D

[Charlie]

Thanks for the timely response, appreciate it

[aruss1303]

TYSM