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Muscles enable the heart to beat, the chest to rise and fall during breathing, and blood vessels to help regulate the pressure and flow of blood through the body. When we smile and talk, muscles help us communicate, and when we exercise, they help us stay physically fit and healthy.
Muscles are important because they make your body move. Without muscles you would be unable to get out of bed in the morning and do anything. Sometimes people say that someone â¦ has muscles and they really mean that they have big muscles.