Which of these statements applies to the respiratory system
A)It eliminates unwanted substances from the body to the external environment.
B)It consists of the heart, blood vessels, and lungs in the pulmonary cavity.
C)It is important for maintaining the proper pH of the internal environment.
D)It is responsible for taking up required essential nutrients for the body.

Question

Quizplus · Accepted Answer

The respiratory system is responsible for gas exchange, bringing oxygen into the body and removing carbon dioxide. This exchange is important for maintaining the pH balance of the internal environment. Option A refers to the excretory system, option B refers to the cardiovascular system, and option D refers to the digestive system.

Which of These Statements Applies to the Respiratory System