Answer:
the skin on your body
Explanation:
because it is a tough cover it protects the body in many ways,thus it's water proof.
If a person skipped lunch is could cause a low blood sugar
level and this will likely affect the liver cells in having it to react in
which glycogenolysis occurs. This process in the liver cells is a way of
breaking down glycogen in a way to fuel the body as it turns into glucose.
Methane the most, small amount of oxygen and other gases