Question

What structure(s) in the excretory system accept the reabsorbed substances and return them to the general circulation?

Answer 1

Nephron is the functional unit of kidney which helps in filtration of blood and selective reabsorption of materials from filtrate to produce urine for excretion.

Explanation:

You would see that nephron has four different sections: Bowman's capsule, proximal convoluted tubule (PCT), Henle's loop and distal convoluted tubule (DCT).