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Exam (elaborations)

254 exam 2 NEWEST 2026 ACTUAL EXAM| BIO 254 EXAM 2 REVIEW WITH 100 REAL EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS/ ALREADY GRADED A+ (BRAND NEW!!)

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254 exam 2 NEWEST 2026 ACTUAL EXAM| BIO 254 EXAM 2 REVIEW WITH 100 REAL EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS/ ALREADY GRADED A+ (BRAND NEW!!)

Institution
BIO 254
Course
BIO 254

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254 exam 2 NEWEST 2026 ACTUAL
EXAM| BIO 254 EXAM 2 REVIEW WITH
100 REAL EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+ (BRAND
NEW!!)
1. FunctionmofmOsteoclastsm-
mCORRECTmANSWERmChewmupmbone,msecretesmanmacidicmsubstancemthatmdissolvesm"chew


s"mupmbones



2. Threemlayersmofmmusclem-mCORRECTmANSWERmEpimysium,mPerimysium,mEndomysium



3. Fasciclem-mCORRECTmANSWERmbundlemofmmusclemfibers



4. myofibrilmismmademupmofm-mCORRECTmANSWERmmyofilaments



5. Myofilamentsm-
mCORRECTmANSWERmThemcontractilemproteins,mActinmandmMyosin,mofmmusclemcells




6. Originm-
mCORRECTmANSWERmAttachmentmofmammusclemthatmremainsmrelativelymfixedmduringmmusc


ularmcontraction



7. Insertionm-
mCORRECTmANSWERmPointmofmattachmentmthatmmovesmwhenmthemmusclemcontracts

, 8. PrimemMoverm-
mCORRECTmANSWERmThemmusclemthatmactsmasmtheminitialmandmmainmsourcemofmmotivempo


wer.



9. Antagonistm-mCORRECTmANSWERmPerformsmthemoppositemofmaction



10. Levermsystemmcomponentsm-mCORRECTmANSWERmLever,mEffort,mLoad



11. Musclesm-mCORRECTmANSWERmMovesmskeletonm&mSubstances.
12. HeatmProduction



13. Posturem-mCORRECTmANSWERmAremalwaysmcontracting,munlessmwemaremlyingmdown.



14. CharacteristicsmofmSkeletalmofmMusclemcellsm-
mCORRECTmANSWERmExcitability,mContractility,mExtensibility




15. Excitabilitym(irritability)m-mCORRECTmANSWERmAbilitymtombemstimulated



16. Contractilitym-
mCORRECTmANSWERmAbilitymtomcontract,mormshortenm&mproducembodymmovement




17. Extensibilitym-
mCORRECTmANSWERmAbilitymtomextend,mormstretch,mtherebymallowingmmusclesmtomreturnmt


omthemtheirmrestingmplacemlength



18. Sarcolemmam-mCORRECTmANSWERmPlasmammembranemofmthemmusclemfibers
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Institution
BIO 254
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BIO 254

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Uploaded on
May 29, 2026
Number of pages
10
Written in
2025/2026
Type
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  • 254 exam 2 newest 2026 actual exam bio 254 exam 2
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