You have more than 600 muscles that help you do everything from move your body to breathe and stay alive. Learn how to keep your muscles healthy.| Cleveland Clinic
Nerves are clusters of cells called neurons. They send electrical signals throughout your body to control sensations, movement and other functions.| Cleveland Clinic
An MRI (magnetic resonance imaging) scan is a test that creates clear images of the structures inside your body using a large magnet, radio waves and a computer.| Cleveland Clinic
Cleveland Clinic’s Health Library provides information about diseases, conditions, treatments and body systems to help answer questions you may have about your health — from the everyday to the complex.| Cleveland Clinic
Learn more about our voice, writing process and commitment to all readers.| Cleveland Clinic
Cleveland Clinic advertising supports our core mission and helps us improve our site as a resource for trusted health content. Learn how to advertise with Cleveland Clinic.| Cleveland Clinic