MUSCULAR SYSTEM

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The muscular system is responsible for movement and support of the body. It is made up of over 600 muscles, which are attached to bones by tendons. There are three main types of muscles in the human body: skeletal, smooth, and cardiac. Skeletal muscles are attached to bones and are responsible for voluntary movement, such as walking or lifting weights. Smooth muscles are found in the walls of internal organs and blood vessels, and they are responsible for involuntary movements, such as digestion or blood pressure regulation. Cardiac muscle is found only in the heart and is responsible for pumping blood throughout the body. The muscular system also plays a role in maintaining posture, generating heat, and protecting internal organs.

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