____________________ is a substance that is released from the terminal (end) button of an axon, and causes either excitation or inhibition of another neuron or excitation of a muscle fiber.
Correct Answer:
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Q23: The _ period is the time during
Q24: Slow-twitch muscle fibers
A) remain activated up to
Q25: For fine movement,
A) only a limited number
Q26: The _ period is a period during
Q27: _ are atoms that have either lost
Q29: Neurotransmitter substance is released into the _.
Q30: A motor unit consists of a motor
Q31: A potential difference of -70 mV between
Q32: The _ of the myelinated axon support
Q33: An action potential at the motor end
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