Internal respiration is the
A) exchange of gases between the alveoli and the atmosphere
B) exchange of gases between the alveoli and the pulmonary capillaries
C) exchange of gases between the tissue capillaries and tissue cells
D) transport of gases from the lungs to the tissues
E) transport of gases from the tissues to the lungs

Question

Quizplus · Accepted Answer

Internal respiration refers to the exchange of gases (oxygen and carbon dioxide) between the tissue capillaries and tissue cells, where oxygen is delivered to the cells and carbon dioxide is produced by the cells as a waste product.

Internal Respiration Is the