BIO 253 Exam 4 (Ch. 11) Questions and Complete Solutions Graded A+Denning [Date] [Course title] muscular system - Correct Ans: the voluntary controlled muscles of the body
insertion - Correct Ans: the attachment of the muscle's tendon to the movable bone
origin - Correct Ans: the attachment of a muscle's tendon to the stationary bone
belly - Correct Ans: the fleshy portion of the muscle between the tendons
prime mover - Correct Ans: muscle with the major responsibility for a certain movement
antagonist - Correct Ans: stretches and yields to the effects of the prime mover
synergists - Correct Ans: aid the movement of the prime mover; prevent unwanted movements at intermediate joints
fixators - Correct Ans: stabilizing the origin of the prime mover so that the prime mover can act more efficiently
Muscles of facial expression - Correct Ans: occipitofrontalis
zygomaticus major
orbicularis oris
orbicularis oculi
muscles of eye movement - Correct Ans: superior rectus
inferior rectus
medial rectus
lateral rectus
superior and inferior obliques
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