Anatomy Chapter 6
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Muscle Cells | show 🗑
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| show | Contractibilty
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| The capacity of skeletal muscle to respond to a stimulus | show 🗑
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| show | Extensibility
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| show | Elasticity
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| show | Epimysium
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| Another connective tissue located outside the epimysium. It surrounds and seperates muscles | show 🗑
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| A muscle is composed of numerous visible bundles called muscle fasciculi, which are surrounded by loose connective tissue called the.. | show 🗑
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| Each fiber is surrounded by a connective tissue sheath called the.. | show 🗑
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| show | actin myofilaments
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| Thick myofilaments | show 🗑
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| show | sarcomeres
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| show | Sarcomere
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| show | I band
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| show | The myosin
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| In the center of each sarcomere is another light area called the what? | show 🗑
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| show | Resting membrane potential
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| nerve cells that carry action potentials to skeletal muscle fibers? | show 🗑
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| show | Motor Unit
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| show | presynaptic terminal
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| show | Synaptic Cleft
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| Each presynaptic terminal contains what? | show 🗑
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| The sliding actin myfilaments past myosin myofilaments during contraction is called the what? | show 🗑
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| a contraction of an entire muscle in response to a stimulus that causes the action potential in one or more muscle fibers is what? | show 🗑
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| show | threshold
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| the time between application of a stimulus to a motor neuron and the beginning of a contraction is the what? | show 🗑
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| the time of contraction is the what? | show 🗑
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| The time during which the muscle relaxes is the what? | show 🗑
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| show | Tetany
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| the increase in number of motor units being activated is called what? | show 🗑
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| When at rest muscle cells cant stockpile ATP but they can store another high-energy molecule called what? | show 🗑
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| Without oxygen | show 🗑
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| show | Aerobic respiration
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| the amount of oxygen needed in chemical reactions to convert lactic acid to glucose and to replenish the depleted stores of creatine phosphate stores in muscle cells | show 🗑
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| show | Muscle Fatigue
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| The length of the muscle does not change, but the amount of tension increases during the contraction process | show 🗑
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| show | isotonic
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| show | muscle tone
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| show | fast-twich fibers
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| contract more slowly and are more resistant to fatigue | show 🗑
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| show | trunk muscles
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| draw scapula toward vertebral column | show 🗑
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| show | deltoid
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| "chest muscle" abducts and flexes the arm | show 🗑
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| show | pectoralis minor
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| quiet breathing | show 🗑
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| show | triceps brachii
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| flexes and suppinates forearm | show 🗑
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| primary flexor of the forearm | show 🗑
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| elevate ribs during inspiration | show 🗑
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