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The Muscular System #1

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Across
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Thousands of slender strands that lay side-by-side and run the length of each muscle fiber.
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The neuron responsible for sending impulses which stimulate muscle fibers to contract.
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The universal unit of energy
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Made of myosin protein
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Muscle fibers are arranged in bundles
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Striplike retaining bands of connective tissues that act as bracelets and help stabilize tendons and keep them in place.
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Intercellular fluid within muscle fibers. Equivalent of cytoplasm
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Basic unit of contraction.
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Surrounds each individual muscle fiber
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A red respiratory pigment that stores oxygen and gives muscle a red color
Down
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Made of 3 filaments, Actin, troponin, and tropomyosin
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The principal nerotransmitter involved in muscle contraction
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Space occupying the neuromuscular junction
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Covering of the muscle fiber or cell
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Muscle cells
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Thin and thick filaments
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Coils around and covers actins binding sites
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Broad flat tendon
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Surrounds the fasciculi
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Surrounds the entire muscle
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Indentations that travel into the cell. Also called Transverse Tubules
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Act as nails holding the tropomyosin in place
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General term for connective tissue
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Cord that anchors muscle to bone