What is a major function of the respiratory system?
A)deliver oxygen to the blood and remove carbon dioxide from the body
B)return excess tissue fluid to the cardiovascular system
C)produce vitamin D and retain water
D)digest food and absorb nutrients into the blood

Question

Quizplus · Accepted Answer

The respiratory system is primarily responsible for the exchange of gases, delivering oxygen to the blood and removing carbon dioxide from the body.

What Is a Major Function of the Respiratory System