Muscle Quiz
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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| Cardiac | Found in heart, striated, 1 nucleus, involuntary
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| Smooth | Found in viscera, not striated, 1 nucleus, involuntary
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| Skeletal | Found in limbs, striated, multinucleate, voluntary
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| Hardest working muscle | Eye
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| How many muscles to frown | 42
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| How many muscles to smile | 17
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| How much weight do your muscles take up | 50%
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| Largest muscle | gluteus maximus
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| 4 functions of your muscles | Heat, movement, stabilize joints, maintain posture
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| Tissue able to contract | muscle
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| Controlled by CNS | Skeletal
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| Regulated by CNS | Cardiac
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| Controlled by ANS | Smooth
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| Word for flesh | sarco
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| Muscle prefixes | myo, mys
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| Tendon | Attaches muscle to bone
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| Ligament | Attaches bone to bone
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| Collogen | fibers make up
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| Viscera | walls line internal organs
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| Microfibril | a very fine fibril, or fiber-like strand, consisting of glycoproteins and cellulose
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| Twitch | single brief contraction, not a normal muscle function
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| Tetanus | one contraction immediately followed by another. Muscle never completely returns to a relaxed state.
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| How many muscles in body | 650
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| Abduction | moving away from middle
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| Adduction | moving towards middle
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| Circumduction | rotate
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| Flexion | When angle of joints gets smaller
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| Extension | Angle of joints gets larger
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| Hyperextension | Goes beyond normal point, beyond straight
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| Inversion | Turn sole of foot medially
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| Eversion | Turn sole of foot laterally
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| Pronation | Palm down
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| Supination | Palm up
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| Opposition | Thumb touch
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| Plantar flexion | point foot down
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| Dorsal | Point foot to shin
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| Raw energy that muscles use | ATP
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| Origin | Attachment to an immovable bone
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| Insertion | Attachment to a movable bone
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| Isometric | Tension in muscles increase, no movement occurs (pushing one hand against the other)
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| Isotonic | Muscles shorten and movement occurs, most normal exercise
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| Where does cellular respiration occur | Mitochondria
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| Broken into ATPs | Glucose
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| What causes muscle fatigue | Not enough oxygen
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Created by:
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