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is the cardiac cell's ability to spontaneously generate an electrical impulse.  refers to the ability of cardiac muscle cells to spontaneously generate electrical impulses

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means that muscle responds to stimulation by nerves and hormones, making it possible for the nervous system.  encompasses the number of muscle fibers recruited during a contraction and the speed at which muscle fibers react during contraction.

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is the ability of your muscles to extend in an activity and resume their contracted position. it's one out of 4 major functions characteristics. it extends you muscles so you're able to do more.

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extensibility means that muscles can be stretched to their normal resting length and beyond to a limited degree. it has elastic in the extensibility muscle. elasticity means the muscles are stretched out.

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it refers to the capacity of muscle to contract or shorten forcefully. contractility of the muscle  is the inherent strength and vigour of the heart's contraction during systole.

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calcium strands on the actin filament to move so that the part of the actin surface where myosin heads need to bind is uncovered. it triggers contraction by reaction with regulatory proteins that in the absence of calcium prevent interaction of actin and myosin.

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myosin is the prototype of a molecular motor a protein that converts chemical energy in the form of ATP to mechanical energy, thus generating force and movement. it helps the nonmuscle cell move. the myosin and the actin helps each other out with muscle contraction.

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actin is the most abundant protein in most eukaryotic cells. it's a family of globular multi-functional proteins that form microfilaments.

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the myosin filaments of muscle fibers slide past the actin filaments during muscle contraction, while the two groups of filaments remain. myosin is a thick contractile.

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skeletal muscle  is one of three major muscle types, the others being cardiac muscle and smooth muscle. the muscle is voluntary. it's made up of muscle fibers combined together

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cardiac muscle is an involuntary, striated muscle that is found in the walls and histological foundation of the heart, specifically the myocardium. it's another word for myocardium. the cardiac muscle is one of the three major types of muscle.

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smooth muscle means muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control. the muscle is involuntary. it looks like a tissue or a cell.

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it's a condition marked by intermittent muscular spasms, caused by malfunction of the parathyroid glands and a consequent deficiency of calcium. this is a medical sign consisting of the involuntary contraction of muscles. it causes because of low blood calcium

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tetanus is a serious bacterial infection that causes painful muscle spasms and can lead to death. this infection can be prevented by vaccine. it's often called "lockjaw" because one of the common signs is tightening of jaw muscles.

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there are 2 definitions of tonic. the first one is , Physiology of, relating to, or producing tone or tonicity in muscles or tissue. the second term is medicine characterized by continuous tension or contraction of muscles.

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a type of seizure that involves a loss of consciousness and violent muscle contractions. it can cause by a brain tumor or a ruptured blood vessel. this type of seizure mostly affects the brain.

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its a sudden involuntary muscular contraction or convulsive movement. it occurs suddenly, usually resolve quickly, and often painful. most commonly, it is a muscle cramp which is accompanied by a sudden burst of pain.

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is the decline in ability of a muscle to generate force. it can be caused by barriers to or inference with the different stages of muscle contraction. fatigue may come from overwork, poor sleep, worry, boredom or lack of exercise.

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5 basic functions of the muscular system

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5 basic functions of the muscular system

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the basic functions are to create movement by working with bones, ligaments, and tendons. the second one is to move food through digestive system. the other one is to move blood through the body by pumping the heart. the 4th one is to produce heat. the final one is to provide protection to inner organs.

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a thin sheath of fibrous tissue enclosing a muscle or other organ. it's the biological fabric that holds us together, the connective tissue network. it basically connects the muscle fibers to the muscles.

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a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone. an example is the hamstring of a quadruped. tendons may attach muscles of structures such as an eyeball.