Proximity of capillaries to tissue cells is crucial

because
a. bulk flow operates to move protein-free
plasma through clefts between endothelial
cells.
b. red cells have to squeeze single file through
capillaries.
c. some proteins exit capillaries by
endocytosis and exocytosis.
d. this is where nutrient and waste exchange
occur.
e. all of these are true.


D

Biology & Microbiology

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