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 |
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 |
(c)
Metabolism of food materials products some waste materials, and removal of these waste materials from the body is called excretion.