Jillian Jackson-Study Stack
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Skeletal muscle to shorten with force | Contractility
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| Skeletal muscle to respond to a stimuli | Excitability
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| Ability to be stretched | Extensibility
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| Recoil to their original resting length after they have been stretched | Elasticity
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| Connective tissue sheath that surrounds skeletal muscle | Epimysium
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| Connective tissue located outside the epimysium | Fascia
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| Muscle cells | Fibers
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| A muscle is composed of numerous visible bundles | Fasciculi (fasicle)
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| Fasciculi is surrounded by loose connective tissue called | Permysium
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| Each fiber is surrounded by a connective tissue sheath | Endomysium
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| The cytoplasm of each fiber is filled with | Myofibrils
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| Threadlike structures that stretch from one end of the fiber to another | Myofibrils
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| Myofibrils consist of two major kinds of protein fibers | Actin & myosin
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| Thin myofilaments | Actin
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| Thick myofilaments | Myosin
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| Actin and myosin myofilaments form highly ordered units | Sarcomeres
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| Join end to end to form the myofibril | Sarcomeres
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| Basic structural and functional unity of the muscle | Sarcomere
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| Occipito frontals | Raise eyebrows
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| Orbicularis oculi | Closes eyelids & causes "crows feet"
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| Orbicularis oris | Puckers the mouth
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| Buccinator | Flattens the cheeks
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| "Trumpet Muscle" | Buccinator
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| Two kissing muscles | Orbicularis oris & buccinator
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| Zygomaticus | Smiling
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| Lavator labiisuperioris | Sneering
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| Depressor anguli oris | Frowning
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| Chewing (another word) | Mastication
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| Intriminis tongue muscles | Change the shape of the tongue
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| Extrinsic tongue musles | Move the tongue
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| External intercostals | Elevate ribs during inspiration
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| Internal intercostals | Contract during forced expiration
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| Diaphram | Quiet breathing
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| Rectus abdominus | Flexes the vertebral column
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| Attaches humerus to the scapula | Deltoid
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| Triceps brachii | Extends forearm
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| Biceps brachii | Flexes and suppinates forearm
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| Brachialis | Primary flexor of forearm
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| Brachiaradialis | Flexes and pronates forearm
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| Flexor carpi | Flexes wrist
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| Extensor Carpi | Extends wrist
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| Flexor digitorum | Flexes digits
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| Extensor digitorum | Extends digits
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| Rhomboids | Draw the scapula toward the vertebral column
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| Pectoralis Major | Adducts and flexes the arm
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| Pectoralis Minor | Pulls the scapula inferiorly
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| Muscle tone | Constant tension produced by muscles
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| Fast-twitch mucles | Contract and fatigue quickly
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| Slow-Twitch muscles | Contract and fatigue slowly
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| Origin | Most stationary end of the muscle
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| Insertion | End of muscle undergoing to greatest movement
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