Question Detail
Question
What is the primary function of the excretory system as described in the document?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The excretory system removes metabolic wastes and excess substances that accumulate in bodily fluids from cellular activities. This distinguishes it from egestion, which is the removal of undigested food.
Hint
This system eliminates waste products from cellular metabolism, not undigested material.