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USU BIOL 2320 Exam 3: Muscles correctly answered to pass $10.39   Add to cart
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USU BIOL 2320 Exam 3: Muscles correctly answered to pass
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  • BIOL 2320
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  • BIOL 2320

USU BIOL 2320 Exam 3: Muscles correctly answered to pass

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  • September 24, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • usu biol 2320 exam 3 muscles correctly answered t

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  • BIOL 2320
  • BIOL 2320

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USU BIOL 2320 Exam 3: Muscles

buccinator - correct answer ✔✔compresses cheeks, aids in sucking and blowing



temporalis - correct answer ✔✔elevates and retracts mandible



masseter - correct answer ✔✔elevates and protracts mandible. prime jaw closure



pterygoids - correct answer ✔✔elevates and protracts mandible, moves jaw laterally, clenches teeth



sternocleidomastoid - correct answer ✔✔both contract - flexes head, one contracts - head turns to
opposite side



splenius capitus and semispinalis - correct answer ✔✔both contract - extends/hyperextends neck, one
contracts - head turns to same side



erector spinae - correct answer ✔✔maintains posture, primary spine extender



transversospinalis - correct answer ✔✔stabilizes vertebrae extension, flexes spine laterally



external intercostals - correct answer ✔✔restful inhalation, elevates ribs up and out, along with
diaphragm



internal intercostals - correct answer ✔✔forceful exhalation (like coughing), along with abdominals



diaphragm - correct answer ✔✔most important breathing muscle, contracts and flattens with restful
inhalation

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