Physiology Presentation Ch. 8, 9,

Physiology Presentation Ch. 8, 9, - Physiology Presentation...

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Physiology Presentation Ch. 8, 9, Tabitha Neufind HCA 220 Rebecca Riznyk
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Overview Anatomy of the Muscular System Physiology of a Muscle Contraction Bone Structure Bone Growth Physiology of Nerve Transmission Divisions of the Nervous System Neurotransmitters
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Anatomy of the Muscular System There are three types of muscles in the human body. Skeletal muscles Cardiac Muscles Smooth Muscles Skeletal muscles allow the body to move. These muscles are voluntary muscles that contract and relax in response to conscious thought. Cardiac muscle is the heart and pumps blood throughout the bodies circulatory system. This muscle is an involuntary muscle that is not controlled my conscious thought. Smooth muscles are involuntary and form a continuous layer thin layer in various organs and structures.
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Physiology of a Muscle Contraction A muscle is made of several muscle fascicles. Each is wrapped in a fascia and connected to a tendon. A fascicles is a bundle of individual muscle fibers. These muscles fibers run parallel to each other. When they contract they pull in the same direction. A muscle fiber is multinucleated. Each muscle fiber is made of myofibril. Myofibril are thin strands of proteins
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Physiology Presentation Ch. 8, 9, - Physiology Presentation...

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