Question

Why do you think humans have a highly efficient supply of blood ?

Answer 1

Answer:

because if the blood circulation was not their in human body the nerves will not work....and we can die....so humans have a highly efficient supply of blood and kidney is filtering our blood.

Answer 2

Explanation:

double circulation helps to keep oxygenated and deoxygenated blood from mixing . such separation allows a highly efficient supply of oxygen to the body

hope it helps

pls mark as brainliest and follow me ☆☆☆☆☆