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  1. Human muscle system | Functions, Diagram, & Facts | Britannica

    Dec 29, 2025 · Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and …

  2. Muscles of the Body: Types, Groups, Anatomy & Functions

    Muscles are pieces of soft tissue throughout your body that help you move, breathe, swallow and stay alive.

  3. Interactive Guide to the Muscular System | Innerbody

    2 days ago · Explore the muscular system with Innerbody's interactive 3D anatomy models including the muscles of the arms, legs, chest, back, and more.

  4. Muscular system - Wikipedia

    The muscular system is an organ system consisting of skeletal, smooth, and cardiac muscle. It permits movement of the body, maintains posture, and circulates blood throughout the body. …

  5. Muscle - Physiopedia

    There are three major muscle types found in the human body: skeletal, cardiac, and smooth muscle. Each muscle type has unique cellular components, physiology, specific …

  6. Muscular system: 11 main functions and more - Medical News Today

    Jul 10, 2025 · Muscles allow a person to move, speak, and chew. They control heartbeat, breathing, and digestion. Other seemingly unrelated functions, including temperature …

  7. Muscular system | Learn Muscular Anatomy - Visible Body

    Muscles allow us to move. Smooth, cardiac, and skeletal muscle move to facilitate body functions like heartbeats, digestion, and moving bones. Neurotransmitters and chemical reactions work …

  8. Types of Muscles: Structure, Physiology, and Functions

    Aug 16, 2025 · Detailed anatomy and physiology of different types of muscles- skeletal, smooth, and cardiac muscle, including structure, mechanisms, and functions.

  9. Muscles - Bone, Joint, and Muscle Disorders - Merck Manual Consumer Version

    The size and strength of skeletal muscles are maintained or increased by regular exercise. In addition, growth hormone and testosterone help muscles grow in childhood and maintain their …

  10. Quick Facts:Muscles - MSD Manual Consumer Version

    Muscles generate energy from food and oxygen that come through your bloodstream. Muscles use this energy to contract (shorten). The bigger the muscles are and the more blood supply …