Answer Headache is caused by
It's part of the integumentary system because it stops negative things from the environment from attacking your body or entering it, and it is a part of the excretory system because it contains various glands that create tears and sweat and oils and thus leave your body.
Staying fit because my body is the most important thing about me
100lbs because if his max is 200 and he is doing 50% of his max that equals 100
20-30 percent should be your percentage of daily fat intake average around.
