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Chapter 8 Vocabulary - skeletal system

Nancy Andrade

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Across
6.A protein that forms filaments that slide between filaments of the protein myosin,contacting muscle fibers.
8.Mechanism proposed for muscle contraction where myosin head groups of the thick filaments move along the interdigitated actin of the thin filaments, sliding past them and thereby shortening the sarcomere.
11.The structural and functional units of a myofibril.
12.A protein that,with actin,forms the filaments that contract muscle fibers.
13.The amount of oxygen required after physical exercise to convert accumulated lactic acid to glucose.
14.A neuron that transmitts impulses from the central nervous system to an effector.
Down
1.The functional connection between the axon of a neuron and the dendrite or cell body of another neuron or the membrane of another cell type.
2.Synapse between a motor neutron and a skeletal muscle fiber.
3.Impulse taht travels along the sacrolemma to the tansverse tubules.
4.A biochemical that stores energy in muscle tissue.
5.Contractile fiber is muscle cells.
7.A type of neurontransmitter,which is a biochemical secreted at axon ends of many;transmits nerve messages across synapses.
9.A motor neuron and its associated muscle fibers.
10.A sheeet of fibrous comnnective tissues that encloses a muscle.

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