How are internal and external respiration alike?
A) Both involve an exchange of gases.
B) Both involve carbon dioxide diffusing into the lungs.
C) Both involve oxygen diffusing into the lungs.
D) Both involve carbon dioxide diffusing into the body's tissues.
E) Both involve oxygen diffusing into the body's tissues.

Question

Quizplus · Accepted Answer

Both internal and external respiration involve an exchange of gases. In external respiration, carbon dioxide diffuses into the lungs and oxygen into the blood, and in internal respiration, carbon dioxide diffuses into the blood and oxygen into the body's tissues.

How Are Internal and External Respiration Alike