Answer:
Most of the human body is water, with an average of roughly 60%
Step-by-step explanation:
The amount of water in the body changes slightly with age, sex, and hydration levels. While the average percentage of water in a person's body is around 60%, the percentage can vary from roughly 45–75%.
Body part: Water percentage
Lungs: 75–80%
Muscles: 70–75%
Kidneys: 80–85%
Source: Graduated Medical School