Question

The blood flow through the kidney is special because
a. its first capillary beds drain into arterioles
b. its second capillary beds drain into arterioles
c. it is supplied by three renal arteries
d. it contains no capillary beds

Answer 1

Answer: a. Its first capillary beds drain into arterioles.

Explanation:

The kidneys are the two filtering units in the bodies. Inside each kidney their is a filteration unit called as glomerulus. This includes a group of blood vessels called as capillaries. The blood enters the capillaries by afferent arterioles and leaves by the virtue of efferent arterioles.