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19 Cards in this Set
- Front
- Back
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A muscle whose contraction opposes an action of another muscle.
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antagonist
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A broad sheet of fibrous connective tissue that attaches a muscle to another muscle or connective tissue.
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aponeurosis
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A molecule that stores a small amount of energy in a muscle fiber.
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creatine phosphate
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The attachment of a muscle that moves when the muscle contracts.
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insertion
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A motor neuron and the muscle fibers it controls.
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motor unit
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A single muscle cell.
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muscle fiber
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The state of slight contraction in a skeletal muscle.
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muscle tone
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A molecule that stores a small amount of oxygen in a muscle fiber.
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myoglobin
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a chemical realeased by axon tips of neurons that activates a muscle fiber, gland, or another neuron.
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neurotransmitter
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The attachment of a muscle that remains fixed when the muscle contracts.
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origin
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One of many contractile fibers within a muscle.
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Myofibril
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The smallest contractile unit of a myofibril
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Sarcomere
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A narrow band of fibrous connective tissue that attaches a muscle to bone.
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Tendon
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A sustained muscle contraction
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Tetanic Contraction
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What are the 3 types of muscle tissue?
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skeletal, smooth, and cardiac
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STRUCTURE OF THE
SKELETAL MUSCLE |
STRUCTURE OF THE SKELETAL MUSCLE
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eACH SKELETAL MUSCLE IS FORMED OF MANY
_____ _____ (cells) that are arranged in fasciculi. |
muscle fibers
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_____ _____ envelops each fiber, each fasiculus, and the entire muscle.
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Connective tissue
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Muscles are attached to bones or connective tissue by either _____ or _____.
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tendons
aponeuroses |
