★ Cells, Tissues and Organs Quiz
The heart pumps blood around the body, what is transported in the blood?
A. water and acid
B. carbon dioxide and energy
C. energy and bacteria
D. oxygen and food
Select your answer:

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Circulatory and Nervous System › ViewWhat is the body organ that pumps blood to get more oxygen?
A. Bones
B. Brain
C. Heart
D. Lungs
Cardiovascular System › View
The flow of blood between the heart and the lungs
A. systemic circulation
B. oxygenated circulation
C. Pulmonary circulation
D. none of the above