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Functions of the Muscular System 1. Stabilize joints with their TENDONS 2. Produce movement (including standing upright) 3. Produce heat to maintain body temperature 3 Types of Muscle Tissue 0 Skeletal 0 Cardiac 0 Smooth Picture from http://www.calhoun.edu/distance/Internet/Natural/Healthlinks/ems/paramedic %20student%20page/Vol.%201%20Ch.%208a_files/slide0018.htm Skeletal Muscle 0 Attaches to bone, skin, or fascia (connective tissue) 0 Striated muscle 0 Muscle fibers are bands of dark & light tissue. 0 Function in pairs to bring about the co-ordinated movements of the limbs, trunk, jaws, eyeballs, etc. 0 Voluntary control of contraction & relaxation Picture from http://www.thechildrens hospital.org/wellness/inf o/kids/20169.aspx Picture from http://www.gwc.maricopa.edu/class/bio201/Histology/HistoR ev20a.htm http://www.sirinet.net/~jgjohnso/muscle.html Pectorals Brachioradialis Rectus Abdominus Sartorius Deltoids Triceps Biceps External Obliques Quadriceps Gastrocnemius Picture from http://kidshealth.org/PageManager.jsp?lic=1&article_set=54399&cat_id=20607 Cardiac Muscle 0 Found only in the heart. 0 It causes the rhythmical beating of the heart, circulating the blood and its contents throughout the body as a consequence. 0 Involuntary muscle 0 Striated Muscle Picture from http://lifesciencedigest.com/2009/08/11/cashfor-cardiovascular-who-might-be-next/ Picture from http://www.kumc.edu/instructio n/medicine/anatomy/histoweb/ muscular/muscle14.htm Smooth Muscle 0 Can be found in your digestive system, 0 0 0 0 circulatory system, and even the muscles in your eyes that help them to focus. Smooth muscle tissue is located in the walls of hollow internal structures such as blood vessels, the stomach, intestines, and urinary bladder Smooth muscle controls slow, involuntary movements such as the contraction of the smooth muscle tissue in the walls of the stomach and intestines. The muscle of the arteries contracts and relaxes to regulate the blood pressure and the flow of blood. Involuntary