Those two are the muscular system and the excretory system because you use your muscles to push up and down and your excretory system produces the sweat you use while doing them
Most people don't have any symptoms, but they can still infect other people through sexual contact.
the science of the causes and effects of diseases
False, it is not her fault because she cannot control how her metabolism works, she can only control the foods she eats.
When Working Out In Exercising in hot weather puts extra stress on your body. Wind chill extremes can make exercising outdoors unsafe even with warm clothing. Exercising in cold weather increases the risk of hypothermia
