The normal flow of blood would be 

A. heart ® capillaries ® arteries ® veins ® heart.
B. heart ® arteries ® capillaries ® veins ® heart.
C. heart ® veins ® capillaries ® arteries ® heart.
D. heart ® veins ® arteries ® capillaries ® heart.


B. heart ® arteries ® capillaries ® veins ® heart.

Biology & Microbiology

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