Question

question 1
a student practiced the 100m freestyle for a swim meet. swimming for such a long distance requires increased amounts of oxygen for the muscles. which body system is responsible for carrying the extra oxygen to the muscles?
select one:
○ a. digestive
○ b. respiratory
○ c. nervous
○ d. circulatory

Explanation:

The digestive system processes food for energy, the respiratory system takes in oxygen, the nervous system controls body functions, while the circulatory (cardiovascular) system transports oxygen from the lungs to muscle tissues via blood.

Answer:

d. Circulatory