The kidneys in human beings are a part of the system for
(a) nutrition.
(b) respiration.
(c) excretion.
(d) transportation.
.
Answer
Kidneys are the organs present in the human excretory system .
Their role is to filter our blood to absorb maximum nutrients from it, and help in release of excess water from the body in the form of urine .
.
So, the correct answer is (c) - Excretion.
