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Muscular System 2 Honors Biology To be copied Muscular System Chapter McGraw Hill • http://highered.mcgrawhill.com/sites/dl/free/0072437936/65659/wid maier_samplech9.pdf • http://www.cristina.prof.ufsc.br/v2/muscular/ livro_marieb_6ed_ch_09_muscles.pdf Muscular System & Homeostasis • • • • • stabilize body position produce movements regulate organ volume move substances w/in the body produce heat Muscular System • includes 700 voluntary muscles • combination muscle & CT Skeletal Muscle • almost all cross a joint • when contract extend force on tendon pulls on one of articulating bones • usually, 1 bone remains stationary or near its original position & other bone moves – muscle whose tendon is attached to stationary bone = origin – muscle whose tendon is on moving bone = insertion Skeletal Muscle • fleshy part of muscle = belly (gaster) Relationship of Skeletal Muscle to Bones: Lever Systems 3 Types Levers in Human Body How Muscles are Named • see handout – know “basics of naming muscles” – be able to identify what region or part of body any of listed muscle are located – know names of highlighted muscles Muscles to Identify Muscles to Identify Muscles to Identify Muscles to Identify Muscles to Identify Muscles to Identify Muscles to Identify Muscles to Identify Review • http://www.biologycorner.com/anatomy/mus cles/head/head_muscles.html • http://www.biologycorner.com/anatomy/mus cles/torso/muscles_thoracic.html • http://www.biologycorner.com/anatomy/mus cles/back/muscles_back.html • http://www.biologycorner.com/anatomy/mus cles/legs/front_legs.html • http://www.biologycorner.com/anatomy/mus cles/legs/back_legs.html • http://www.biologycorner.com/anatomy/mus
