Question

Urine is a complex mixture of about ___% water, and the remaining is dissolved substances that generally come from food eaten or waste products of metabolism.

A) 80
B) 90
C) 95
D) 99

Answer 1

Urine is a liquid byproduct of the body composed of mostly water. It also contains urea, creatinine, and other metabolic waste components.

Step-by-step explanation:

Urine is a liquid byproduct of the body secreted by the kidneys through a process called urination and excreted through the urethra.

The normal chemical composition of urine is mainlywater, but it also includes nitrogenous molecules, such as urea, as well as creatinine and other metabolic waste components.