Fact 1: Excretion is the process of removing wastes and excess water from the body.

Fact 2: Ketones are exhaled and excreted in urine.

Given the two facts above, answer the question "What is a process of removing wastes and excess water from the body?" with the following options: 
- hydration
 - urination
 - incontinence
 - trash can
 - vaporization
 - Cooking
 - body waste
 - Exfoliation


 

  urination       