Question
Biology Question on Human Excretory System
The secondary function of lungs to carry out excretion is ____ .
A
Removal of CO2 and Water
B
Elimination of Sebum
C
Urea formation
D
Excretion of excess salts
Answer
Removal of CO2 and Water
Explanation
Solution
The correct option is (A): Removal of CO2 and Water.