Q: What is a waste product of the body that is excreted by the urinary system?\nOptions:\n- (A) potash\n- (B) food\n- (C) CO 2\n- (D) sugar\n- (E) urea\n- (F) liquid\n- (G) H 2 O\n- (H) sulfur
Let's think step by step below.

User
Urine is the liquid waste product of the body that is excreted by the urinary system. Mammals excrete urea in the watery form of urine . Urea is a waste product of the body that is excreted by the urinary system.
Thus, the answer is (E).
Assistant