D.......the others deal with muscles and tendons.
Answer:
D
Explanation:
I say D because all of the other options are physical and environmental.
Answer:
Okay I wanna tlk because I'm bore too.
Answer:
Production of bile= which Help carry away waste and break down fats in the small intestine during digestion.
production of certain proteins for blood plasma.
production of cholesterol and special protein to help carry fats through the body
The reson you should know this is because it isnt all about weight. What if the person weighs 200 pounds.......it might not all be body fat a lot of it could e muscle