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Muscles differ in shape, size, and purpose. There are three categories of muscles in the human body. These categories are skeletal, smooth and cardiac muscle. The skeletal is attached to bone and moves the skeleton under voluntary control. The smooth forms the walls of blood vessels and body organs to modify the activity of body parts under involuntary control. The cardiac is the muscle of the heart which provides contractile activity under involuntary control. Skeletal …

…two types of protein fibres, collagenous and elastic. Collagnous tissue provides resistance to tension while elastic tissue provides elasticity. These connective tissues consist of tendons, ligaments and fascial sheaths. The fascial sheaths are categorized into three types. The three categories are Endomysium, Perimysium, and Epimysium. Endomysium are the inner sheaths and bind single muscle fibres, perimysium are sheaths which binds numerous muscle fibres, and epimysium are the outer sheaths which bind the entire muscle fibre.