Muscular System

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Muscular System:

Muscular System By: Sari Schwartz

Organ: HEART:

Organ: HEART Known as the “cardiac muscle” and is one of strongest muscles in muscular system Pumps blood throughout body about 72 times per minute

Tissue: MYOCARDIUM:

Tissue: MYOCARDIUM Thick, muscular, middle layer of heart Its job is to contract heart which sends blood to rest of body

Cell: MYOCARDIAL CELLS:

Cell: MYOCARDIAL CELLS The place where two muscle cells connect is called the intercalated disc They are “electrically excitable” cells capable of action potential

Sources:

Sources SLIDE ONE: Muscular System Pic: http:// upload.wikimedia.org / wikipedia /commons/thumb/e/e5/ Muscles_anterior_labeled.png /250px-Muscles_anterior_labeled.png SLIDE TWO: Facts and Heart Pic: http://www.worldinvisible.com/apologet/humbody/ heart.htm SLIDE THREE : Facts: http://www.ehow.com/facts_5467526_types-cardiac- tissue.html . Tissue Pic: http ://www.path.cam.ac.uk/Normal/CR_Cardiorespiratory/ HT_ Heart / N_CR_HT_03small.jpg SLIDE FOUR: Facts and Cell Pic: http://www.biosbcc.net/doohan/sample/htm/ heart.htm

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