anatomy test
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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The ability of skeletal muscle to shorten with force | show 🗑
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show | actin and myosin
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show | the ability to be stretched
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show | excitability
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show | elasticity
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Connective tissue shealth that surrounds each skeletal muscle | show 🗑
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show | fascia
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show | Fasciculi that are composed of single muscle cells
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Connective tissue sheath that that surrounds each fiber | show 🗑
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show | A threadlike structure that extends from one end of the fiber to the other
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show | actin
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show | myosin
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Actin and myosin form highly ordered units called | show 🗑
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Extends from Z line to Z line | show 🗑
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A bands contain | show 🗑
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show | actin
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show | H zone
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show | motor neurons
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The charge difference across the membrane is called the | show 🗑
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The brief reversal back of the charge is called | show 🗑
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show | motor unit
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show | the enlarged nerve terminal
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the space between the presynaptic terminal and the muscle cell | show 🗑
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postsynaptic terminal | show 🗑
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acetylcholine | show 🗑
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show | when the acetylcholine is released into the synaptic cleft between the neuron and muscle cell
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The sliding of actin myofilaments past myosin myofilaments during contraction | show 🗑
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muscle twitch | show 🗑
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threshold | show 🗑
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show | lag phase
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show | contraction phase
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show | relaxation phase
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tetany | show 🗑
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show | the increase in number of motor untis being activated
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anaerobic respriation | show 🗑
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show | with oxygen
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show | the amount of oxygen needed in chemical reactions
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show | results when ATP is used more than it can be produced
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isometric | show 🗑
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show | equal tention
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muscle tone | show 🗑
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show | contract quickly and fatigue quickly
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slow-twitch fibers | show 🗑
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origin | show 🗑
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insertion | show 🗑
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belly | show 🗑
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synergists | show 🗑
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show | muscles that work in opposition of each other
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the muscle that plays a major role accomplishing a movement | show 🗑
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occipitofrontales | show 🗑
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closes the eyelid | show 🗑
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puckers the lips | show 🗑
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show | buccinator
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zygomaticus | show 🗑
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show | sneering
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depressor anguli oris | show 🗑
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mastication | show 🗑
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extrensic tongue muscle | show 🗑
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intrinsic tongue muscle | show 🗑
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sternocleidomastoid | show 🗑
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erector spine | show 🗑
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external intercostals | show 🗑
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show | contract during forced expiration
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diaphragm | show 🗑
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show | abs
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show | connective tissue that extends from the sternum to the pubis
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show | cross the rectus abdominus in 3 places and form a segmented look in the abs
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show | internal and transverse
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show | attaches the humerus to the scapula and clavicle
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flexor carpi | show 🗑
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extensor carpi | show 🗑
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show | flexes the fingers
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extensor digitorum | show 🗑
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gluteus maximus | show 🗑
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quadriceps femoris | show 🗑
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show | flexes the thigh
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