Q. Excretion means
A) Formation of those substances which have some role in the body
B) Removal of such substances which have never been part of the body
C) Removal of useless substances and substances present in excess
D) All of the above
Explanation
Metabolism of food materials products some waste materials, and removal of these waste materials from the body is called excretion.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.