MUSCULAR SYSTEM QUESTIONS AND
ANSWERS 2022 LATEST UPDATE
Anatomy of the Muscular System - ANS-Skeletal muscles, tendons, aponeurosis,
fascia
Physiology of the muscular system - ANS-participates in body movements, s
...
MUSCULAR SYSTEM QUESTIONS AND
ANSWERS 2022 LATEST UPDATE
Anatomy of the Muscular System - ANS-Skeletal muscles, tendons, aponeurosis,
fascia
Physiology of the muscular system - ANS-participates in body movements, stabilizes
posture, generates heat
Sarcolemma - ANS-muscle cell membrane
Sarcomere - ANS-contractile unit of a muscle fiber
Actin - ANS-thin filaments
Myosin - ANS-thick filament
Tendon - ANS-Connects muscle to bone
Aponeurosis - ANS-A broad, flat tendon
Retinacula - ANS-hold tendons in place during joint movement
epimysium, perimysium, endomysium - ANS-What are the three layers of connective
tissue that make up the muscle?
Epimysium - ANS-covers the entire skeletal muscle
Perimysium - ANS-The connective tissue that surrounds fascicles.
Endomysium - ANS-Surrounds individual muscle fibers
neuromuscular junction - ANS-the junction between a nerve fiber and the muscle it
supplies
motor end plate (neuromuscular junction) - ANS-the location where the nerve
terminates into the muscle, forms a synapse into which neurotransmitter (ACh) is
released
Acetylcholine - ANS-neurotransmitter chemical released at the ends of nerve cells
motor unit - ANS-a motor neuron and all the muscle cells it stimulates
Adenosine Triphosphate (ATP) - ANS-What is the universal unit of energy in the cell
Myoglobin - ANS-red pigment that stores oxygen
Which ion does the sarcoplasmic reticulum release - ANS-Calcium
sliding filament model - ANS-The theory explaining how muscle contracts, based on
change within a sarcomere, the basic unit of muscle organization, stating that thin
(actin) filaments slide across thick (myosin) filaments, shortening the sarcomere; the
shortening of all sarcomeres in a myofibril shortens the entire myofibril
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