★ Circulatory System Quiz
Each day human heart pumps approximately ———– litres of blood
A. 5,000
B. 1,000
C. 7,570
D. 2,560
Select your answer:
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Homeostasis › ViewNegative feedback loops …
A. are one way an organism can maintain homeostasis.
B. are rarely found in healthy individuals
C. respond by making deviations from normal even larger
D. cannot be counteracted with medicine
Hematology › View
Basophils are closely related to which other cell type?
A. Lymphocytes
B. Monocytes
C. Mast cells
D. Erythrocytes