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Rigor mortis is a postmortem change resulting in the stiffening of the body muscles.

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Automaticity is the ability to do things without any orders.

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Ability to receive and respond to stimuli via generation of an electrical pulse causes contraction of the muscular cells.

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Elasticity of muscle is an ability of a muscle fibre to recoil and resume its resting lenght.

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It's an ability to be stretched or extended.

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Contractility is an ability to shorten.

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Calcium helps muscles' movement - Since the synthesis of troponin and calcium ions is necessary for muscles to move, muscle movement becomes impossible without calcium.

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Myosin is a motor protein known as their roles in muscle contraction.

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Actin is a multi-functional protein that forms from microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils.

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The theory that explains the muscle contraction mechanism based muscle proteins that slide past each other to generate movement.

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Attaches to the bones and makes body motions possible. Has striated, tubular, multinucleated fibers. Voluntary muscles.

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From the muscular walls of the heart. Has striated, and has tubular. Involuntary muscles.

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Smooth muscle has narrow, tapered rod-shapes cells. Also it has nonstriated. Located in the walls of internal organs. (ex. digestive tract, blood vessels, ducts leading to glands)
Involuntary muscles.

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Tetany is a symptom of hypoparathyroidism. It is a contractions and spasm caused by low calcium in blood(hypocalcemia).

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Tetanus is an infection caused by bacteria(Clostridium tetani). It causes painful muscle contractions, and it often causes a person’s neck and jaw muscles to lock, making it hard to open the mouth or swallow.

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Clonic spasms refer to alternating involuntary muscular contraction and relaxation in quick succession, and tonic spasms are rigid muscle contractions that last a period of time.

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Spasms, muscle spasms are painful conditions and tightening of muscle. Is a sudden involuntary muscle contraction convulsive movement.

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A symptom that decreases your muscles' ability to perform over time.

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3. Five basic functions of the muscular system

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3. Five basic functions of the muscular system

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Hold the body erect. Make movement possible. Move food through the digestive system. Muscle movement aids the flow of blood through veins. Muscle actions moves fluid through the ducts ans tubes associates with other body systeme.

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Sheet of fibrous connective tissue that covers, supports and separates muscles. Flexible to allow movement.

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Narrow band of nonelastic, dense, fibrous connective tissue that attaches a muscle to a bone.