Tiffanie, Kassidi, Amaya

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Presentation transcript:

Tiffanie, Kassidi, Amaya 7-2 Tiffanie, Kassidi, Amaya

What does a skeletal muscle contain? Muscle Tissue Connective Tissues Blood Vessels Nerves

Three connective tissues Epimysium Covers the entire muscle Perimysium Divides the muscle into bundles called Fascicles Blood vessels and nerves are contained in the perimysium Endomysium Covers each muscle fiber and ties fibers together Contains capillaries and nerve tissue

Blood Vessels and Nerves The connective tissues of the epimysium and perimysium provide passageways for the blood vessels and nerves that are necessary for the functioning of muscle fibers Muscle contraction requires tremendous amounts of energy A network of blood vessels in skeletal muscle Provides high amounts of nutrients and oxygen To skeletal muscles which have high metabolic needs

Blood Vessels and Nerves Skeletal muscles contract only under stimulation from the central nervous system Axons penetrate the epimysium, branch through the perimysium, and enter the endomysium to control individual nerve fibers

Checkpoint Questions 2. Describe the connective tissue layers associated with a skeletal muscle. 3. How would severing a tendon attached to a muscle affect the muscles ability to move a body part?