Chapter 6 muscles
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| show | Contraction
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| Muscle cells | show 🗑
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| Muscle composed of cylindrical multi nucleate cells with obvious striations; the muscle(s) attached to the body's skeleton; also called voluntary muscle | show 🗑
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| the thin connective tissue surrounding each muscle cell | show 🗑
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| The connective tissue enveloping bundles of muscle fibers | show 🗑
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| show | Epimysium
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| show | Fascicle
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| muscle consisting of spindle-shaped unstripped (non striated) muscle cells; involuntary muscle | show 🗑
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| specialized muscle of the heart | show 🗑
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| show | Sarcolemma
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| show | Sarceamere
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| show | Myosin
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| A contractile protien | show 🗑
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| A specialized smooth endoplasmic reticulum | show 🗑
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| one neuron and all the skeletal muscle cell sit stimuates | show 🗑
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| show | Contractility
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| The capacity of skeletal muscle to respond to a stimulus | show 🗑
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| The ability to be stretched | show 🗑
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| Ability to recoil to their original resting length after they have been stretched | show 🗑
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| show | epimysium
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| Another connective tissue located outside the epimysium. It surrounds and separates muscles | show 🗑
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| show | Perimysium
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| show | fibers
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| A single cylindrical cell containing several nuclei | show 🗑
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| show | endomysium
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| The cytoplasm of each fiber is filled with ________- a threadlike structure that extends from one end of the fiber to the other | show 🗑
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| Myofibrils consist of __ major kinds of protein fibers | show 🗑
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| show | Actin myofliaments
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| Thick myofilaments. They resemble bundles of minute golf clubs. | show 🗑
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| show | sarcomeres
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| The basic structural and functional unit of the muscle. | show 🗑
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| show | Occurs as actin and myosin myofilaments slide past one another causing the sarcomeres to shorten. When the sarcomeres shorten it causes the muscle to shorten.
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| show | sliding filament mechanism
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| A contraction of n entire muscle in response to a stimulus that causes the action potential in one or more muscle fibers | show 🗑
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| show | Threshold; all-or-none response
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| The time between application of a stimulus to a motor neuron and the beginning of a contraction | show 🗑
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| The time of contraction | show 🗑
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| The time during which the muscle relaxes | show 🗑
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| show | tetany
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| The increase in number of motor units being activated | show 🗑
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| show | ATP (Adenosine Triphosphate)
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| show | ATP
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| show | ATP
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| It degenates to the more stable _______________________ plus phosphate | show 🗑
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| It is necessary for muscle cells to constantly produce ATP. When at rest they can't stockpile ATP but they can store another high-energy molecule called ______________________ | show 🗑
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| show | Anaerobic respiration
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| show | Aerobic respiration
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| results when ATP is used during muscle contraction faster than it van be produced in the muscle cells | show 🗑
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| show | Isometric (equal distance)
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| The amount of tension produce by the muscle is constant during contraction, but the length of the muscle change | show 🗑
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| __________ refers to constant tension produced by muscle of the body for long periods of time. Keeps head up and back straight. | show 🗑
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| show | Fast-twitch fibers
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| show | Slow-twitch fibers
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| show | Origin
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| show | Insertion
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| The portion of the muscle between the origin and the insertion is the | show 🗑
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| some muscles have multiple _________________________ | show 🗑
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| Muscles that work together to accomplish specific movements are | show 🗑
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| show | Antagonists
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| show | Prime mover
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| raises the eyebrows | show 🗑
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| show | Orbicularis Oculi
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| show | Orbicularis Oris
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| show | Buccinator
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| Kissing muscles | show 🗑
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| smiling muscle | show 🗑
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| show | Levator labii superioris
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| Frowning | show 🗑
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| show | Mastication
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| show | Intrinsic tongue muscles
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| show | Extrinsic Tongue muscles
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| Lateral neck muscle and prime mover | show 🗑
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| show | Thoracic Muscles
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| Group of muscles on each side of the neck | show 🗑
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| show | 4 pairs
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