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level: Level 1

Questions and Answers List

Question	Answer
A motor neuron and all the muscle fibers it innervates	Motor Unit
All individual neurons that innervate a single muscle	Motor pool
A sustained muscle contraction	Tetanus
Word root which means same	Iso
A muscle contraction in which there is no change in length	Isometric
A muscle contraction in which there is no change in tension	Isotonic
A muscle contraction that increases in tension	Isometric
A muscle contraction in which the muscle shortens	Isotoninc
Muscle fibers that appear red in color	Slow twitch
Muscle fibers that appear white in color	Fast twitch
Muscle fibers used for endurance	Slow twitch
Muscle fibers used for powerful contractions	Fast twitch
Muscle fibers rich in myoglobin and capillaries	Slow twitch
Muscle fibers that have to ferment after a short period	Fast twitch
Protein that gives muscles its red appearance	Myoglobin
Acid produced by fermenting muscle cells	Lactic acid
Type of metabolism muscle use when oxygen is absent	Fermentation
Cori cycle	The recycling of lactic acid from muscles and glucose from liver