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Muscle System

Fascia Layers of connective tissue
Muscle fiber THe basic unit of a muscle
Myofibril Bundles of protein fiber that makes up a muscle fiber
How to strengthen a muscle depends on what? Weight bearing exercises and lifting weights or do short-term, high-stress exercise
If don't use muscle for long period of time what happens? Lose them by losing actin and myosin and they become weaker turning into fat.
Purpose of muscular system Movement and heat production
Trapezius, laterals, and deltoids Upper back, lower back, and shoulders
Pectoral, Abdominals, obliques, and Biceps chest, lower chest, waist, and top of upper arm
Adductors, gluteus maximus, hamstrings, and caves inner thigh, butt, upp back of legs (thigh), and lower back of legs
When motor neurons are released? Neurotransmitter releases acetylcholine into the gap between the neuron and the muscles
Created by: Kaseykahne9