The respiratory system________ .
A)cleanses the blood of pathogens and debris
B)continuously supplies oxygen to the blood while removing carbon dioxide
C)delivers oxygen, carbon dioxide, nutrients and hormones to cells of the body
D)rids the body of urea, uric acid, and ammonia

Question

Quizplus · Accepted Answer

The primary function of the respiratory system is to take in oxygen and expel carbon dioxide through the process of breathing. This is achieved by the continuous exchange of oxygen and carbon dioxide between the blood and the external environment.

The Respiratory System________