A&P Ch 8 -muscle Word Scramble
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Question | Answer |
Layers of connective tissue that separates individual. Uscles and hold it in position. | Fascia |
Broad connective sheets that attach muscle to bone | Aponeuroses |
Thick filaments | Myosin |
Thin filaments | Actin |
Repeating units within a muscle fiber | Sarcomeres |
Neurons that control skeletal muscles | Motor neurons |
Chemical released from neurons | Neurotransmitter |
Neurotransmitter released during a muscle contraction | Acetylcholine |
Muscle fiber that connects to the motor neuron | Motor end plate |
Motor neuron + muscle fiber | Motor unit |
Alternative source of ATP for a muscle cell | Creatine phosphate |
Molecule that carries oxygen in the blood | Hemoglobin |
Molecule that stores oxygen in the muscle cell | Myoglobin |
Amount of oxygen that is required to convert lactic acid into glucose + restore ATP and creative phosphate levels | Oxygen debt |
A muscles inability to contract | Fatigue |
Amount of Ach that is required In order to initiate a muscle contraction | Threshhold stimulus |
Combination of the forces do individual twitches | Summation |
Sustained contraction without relaxation | Tetanic contraction |
The stimulation of more motor neurons as the intensity increases | Recruitment |
Tupe of muscle that moves the skeletal system | Skeletal muscle |
Type of muscle that controls internal organs | Smooth muscle |
Type of muscle that makes up the heart | Cardiac muscle |
Wavelike motion found in smooth muscle | Peristalsis |
Immovable end of the muscle | Origin |
Movable end of the muscle | Insertion |
Prime mover | Agonist |
Muscles that assist the prime mover | Synergists |
Resist a prime mover | Antagonists |
Created by:
mrseklund
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