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30muscle - Lecture 30 Muscles and Movement Chapter 12...

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Lecture 30: Muscles and Movement Chapter 12: Muscular System
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The Big Picture How do skeletal muscles produce movement of the skeleton ? Structure & Organization Muscle contraction mechanism Names of important body muscles
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Muscle Tissue All muscle tissues can be divided into three types: Smooth muscle Cardiac muscle Skeletal muscle
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Skeletal Muscle Functions We will focus on skeletal muscles attached to the bones of our skeleton
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Structural Support Skeletal muscles work against gravity to keep our bodies upright
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Bone Movement Skeletal muscles shorten in length to cause movement (arms, legs, face, etc)
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Body Temperature Skeletal muscles help maintain body temperature by breaking down ATP for energy and distributing the heat produced
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Internal Fluid Movement Skeletal muscles assist the heart in moving blood (also lymph) throughout vessels of the body
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Protection and Stability Skeletal muscles pad and protect internal organs and hold bones together at joints
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Vertebrates What does it mean to be a vertebrate ?
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