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Published byLynn Welch Modified over 9 years ago
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{ Muscular System Making the Body Move
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Voluntary – you can control Involuntary – work independently Muscles are Smart
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3 Types of Muscle
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Involuntary Found throughout the body in organs and other tissues Smooth Muscle
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Involuntary Found in the heart Cardiac Muscle
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Voluntary Attaches to bones for movement Skeletal Muscle
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Flexors – Contract to pull muscles to flex at a joint. Relax during extension. Extensors – Contract to extend a muscle. Relax when flexing http://youtube/b1nywcSvpXo http://youtube/b1nywcSvpXo Skeletal Muscle
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Tendons – attach muscle to bone Achilles tendon The muscular system also includes…
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hamstrings
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