Anatomy 7/8 Word Scramble
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Question | Answer |
Skeletal muscle to shorten with force | Contractility |
Skeletal muscle to respond to a stimuli | Excitability |
Ability to be stretched | Extensibility |
Recoil to their original resting length after they have been stretched | Elasticity |
Connective tissue sheath that surrounds skeletal muscle | Epimysium |
Connective tissue located outside the epimysium | Fascia |
Muscle cells | Fibers |
A muscle is composed of numerous visible bundles | Fasciculi (fasicle) |
Fasciculi is surrounded by loose connective tissue called | Permysium |
Each fiber is surrounded by a connective tissue sheath | Endomysium |
The cytoplasm of each fiber is filled with | Myofibrils |
Threadlike structures that stretch from one end of the fiber to another | Myofibrils |
Myofibrils consist of two major kinds of protein fibers | Actin & myosin |
Thin myofilaments | Actin |
Thick myofilaments | Myosin |
Actin and myosin myofilaments form highly ordered units | Sarcomeres |
Join end to end to form the myofibril | Sarcomeres |
Basic structural and functional unity of the muscle | Sarcomere |
Occipito frontals | Raise eyebrows |
Orbicularis oculi | Closes eyelids & causes "crows feet" |
Orbicularis oris | Puckers the mouth |
Buccinator | Flattens the cheeks |
"Trumpet Muscle" | Buccinator |
Two kissing muscles | Orbicularis oris & buccinator |
Zygomaticus | Smiling |
Lavator labiisuperioris | Sneering |
Depressor anguli oris | Frowning |
Chewing (another word) | Mastication |
Intriminis tongue muscles | Change the shape of the tongue |
Extrinsic tongue musles | Move the tongue |
External intercostals | Elevate ribs during inspiration |
Internal intercostals | Contract during forced expiration |
Diaphram | Quiet breathing |
Rectus abdominus | Flexes the vertebral column |
Attaches humerus to the scapula | Deltoid |
Triceps brachii | Extends forearm |
Biceps brachii | Flexes and suppinates forearm |
Brachialis | Primary flexor of forearm |
Brachiaradialis | Flexes and pronates forearm |
Flexor carpi | Flexes wrist |
Extensor Carpi | Extends wrist |
Flexor digitorum | Flexes digits |
Extensor digitorum | Extends digits |
Rhomboids | Draw the scapula toward the vertebral column |
Pectoralis Major | Adducts and flexes the arm |
Pectoralis Minor | Pulls the scapula inferiorly |
Muscle tone | Constant tension produced by muscles |
Fast-twitch mucles | Contract and fatigue quickly |
Slow-Twitch muscles | Contract and fatigue slowly |
Origin | Most stationary end of the muscle |
Insertion | End of muscle undergoing to greatest movement |
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