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Vertebrae nearest to the neck? |
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Vertebrae nearest to the sternum? |
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Vertebrae nearest to the pelvis |
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Where is the sacrum and coccyx? |
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The muscle will respond to a stimulus |
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the muscle can change length |
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the muscle will tighten to produce a force |
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the muscle will return to it's original length |
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What are three types of muscles? |
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1. Involuntary 2. Cardiac muscle 3. Voluntary |
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Characteristics of the involuntary muscles? |
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1. smooth 2. found in walls of blood vessels 3. cannot be controlled |
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Characteristics of the cardiac muscles? |
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1. found in the heart 2. contracts and relaxes causing the pumping of the heart. |
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Characteristics of the voluntary muscles? |
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1. attached to the skeleton 2. cause movement when they contract and release 3. generally under conscious control |
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How are skeletal muscles arranged? |
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In pairs around joints. When one muscle moves the joint in one direction, the other muscle moves it back. |
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The muscle causing the movement |
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The muscle that relaxes to allow movement to occur |
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* longer than it is wide * allow a large range of movement * Femur, Tibia |
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* square in shape * to provide strength * carpals * tarsals |
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* thin flat and curved * protects vital organs * ribs * sternum |
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* varied function * pelvis * vertebrae |
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* supports and protects the body * provides a framework for movement * stores minerals & manufactures blood |
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* enables movement * maintains posture * produces heat |
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* heart pumps blood around the body * enables the transport of oxygen around the body, carbon dioxide, nutrients & waste |
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* takes oxygen from air and supplies it to the blood as well as removing carbon dioxide |
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