C. Increases digestibility
Choice A (all exercise) would be the correct answer.
Most people don't have any symptoms, but they can still infect other people through sexual contact.
The correct answer is A. The cell body. Dendrites and axons are merely pathways to conduct electrical activity. Myelin is a covering around axons.
The correct answer is letter D. The sidestroke is probably the stroke that would most likely used up the most calories in the body. This is because the movement is concentrated on one side of the body only, putting effort too much in that area causes blood to pool in the muscles causing extra effort in the body's system.
