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Muscle System

What are the three (3) types of muscle tissues? skeletal, cardiac, and smooth
Which type(s) of muscle tissues are involuntary? cardiac and smooth
Which type(s) of muscle tissues are striated? cardiac and skeletal
What type(s) of muscle tissues contain disks? cardiac
Which of the following is not a property of muscle tissue? Excitability Contractility Extensibility Facilitation Facilitation
What are the functions of skeletal muscle? movement, heat production, and posture
List the parts of the muscle from largest to smallest. Muscle, Fascicle, Muscle Fibers, Myofibril, Filaments
What is the plasma membrane of muscle? Sarcolemma
What is the cytoplasm of fiber? Sarcoplasm
What are the tunnels throughout fiber that contains many mitochondria and several nuclei? Sarcoplasmic Reticulum
What are the bundles of very fine fibers that extend through the sarcoplasm? Myofibrils
What are the two types of microfilaments? Actin and Myosin
The thick myofilament is called what? Myosin
The thin myofilament is called what? Actin
What three (3) things are needed for muscle contraction? Neurotransmitters, Calcium, and ATP
When a muscle contracts with all force possible or does not contract at all, what is it called? All-or-none Law
Created by: s.hefowler



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