Which direction does carbon dioxide move during internal respiration?
A)from the blood into the tissue cells
B)from the blood into the lungs
C)from the lungs into the atmosphere
D)from the tissue cells into the blood
E)from the lungs into the blood

Question

Quizplus · Accepted Answer

During internal respiration, carbon dioxide moves from the tissue cells into the blood as a waste product of cellular metabolism.

Which Direction Does Carbon Dioxide Move During Internal Respiration