Lab 6 The Skeletal System
k k k k BIO201L
(LAB 6) Straighter line anatomy and physiology 1 lab
BIO201L the skeletal system worksheet 2025
100% Pass Score
StudentkName:kClickkherektokenterktext.
AccesskCodek(locatedkonktheklidkofkyourklabkkit):kClickkherektokenterktext.
Pre-LabkQuestions:
1. Listkthekfunctionskofkthekskeletalksystem.
Thekskeletalksystemkserveskseveralkimportantkfunctionskinkthekbody.kFirstly,kitkprovideskstructuralksupp
ort,kgivingkshapekandkformktokthekbodykandksupportingkthekorgans.kSecondly,kitkfacilitateskmovementkb
ykservingkaskattachmentkpointskforkmuscleskandkallowingkforkjointkmobility.
Additionally,kthekskeletalksystemkprotectskvitalkorgans,ksuchkaskthekbrain,kheart,kandklungs,kfromki
njury.kItkalsokplayskakcrucialkrolekinkhematopoiesis,kthekproductionkofkbloodkcells,ktakingkplacekinkt
hekbonekmarrow.kMoreover,kthekskeletalksystemkstoreskminerals,ksuchkaskcalciumkandkphosphoru
s,kwhichkarekessentialkforkvariouskphysiologicalkprocesses.kFinally,kthekskeletalksystemkcontribute
sktokmaintainingkhomeostasiskbykregulatingktheklevelskofkmineralskinthekbloodkandkparticipatingkink
acid-basekbalance.
2. Whatkmaterialkcontributeskthekgreatestktokthekcompressivekstrengthkofkbone?kc
alciumkcarbonate
3. Brieflykdescribekthekprocesskofkbonekremodeling.
Bonekremodelingkiskakcontinuouskandkdynamickprocesskthatkinvolveskthekremovalkofkoldkbonektiss
uekandkthekdepositionkofknewkbonektissue.kItkiskcarriedkoutkbyktwoktypeskofkcells:kosteoclasts,kresp
onsiblekforkbonekresorption,kandkosteoblasts,kresponsiblekforkbonekformation.kThekprocesskbegins
kwithkthekactivationkofkosteoclasts,kwhichkbreakkdownkandkremovekoldkorkdamagedkbonektissuekthr
oughkakprocesskcalledkresorption.kThiskcreatesksmallkcavitieskork"Howship'sklacunae"kinkthekbone.k
Subsequently,kosteoblastskmigratektokthekresorptionksitekandkstartksynthesizingknewkbonekmatrix,k
whichkconsistskofkcollagenkfiberskandkmineralksalts.kThiskprocesskiskknownkaskbonekdeposition.kO
steoblastskeventuallykbecomeksurroundedkbyktheknewlykformedkbonekmatrixkandktransformkintoko
steocytes,kwhichkmaintainandkregulatekthekbonektissue.kBonekremodelingkoccurskthroughoutklife,k
helpingktokrepairkmicro-
damage,kmaintainkbonekstrength,kandkadaptktokmechanicalkstresses.kItkiskinfluencedkbykvariouskfa
ctors,kincludingkhormonalkregulation,kmechanicalkloading,kandkcalciumkhomeostasis.Experime
ntk1:kClassificationkofkBones
,Lab 6 The Skeletal System
k k k k BIO201L
Tablek6:kClassificationkofkBones
BonekName ClassificationkbykShape ClassificationkbykLocation
carpel short appendicular
femur Long appendicular
radius Long appendicular
ulna Long appendicular
tibia Long appendicular
,Lab 6 The Skeletal System
k k k k BIO201L
tarsal short appendicular
vertebrae irregular axial
sternum flat axial
frontal flat axial
temporal flat axial
Post-LabkQuestions
1. Whykiskitkimportantktokclassifykbones?
Bonekclassificationkiskessentialkbecausekitkallowskforktheksystematickorganizationkandkunderstan
dingkofkthekvariousktypeskofkboneskinkthekhumankbody.kBykclassifyingkboneskbasedkonktheirkshape
,ksize,kandklocation,kwekcankidentifykandkstudyktheirkuniquekcharacteristics,kfunctions,kandkrelati
onshipskwithkotherkstructures.kThiskclassificationksystemkaidskinkdiagnosingkskeletalkabnormaliti
es,kinterpretingkmedicalkimaging,kplanningksurgicalkinterventions,kandkcomprehendingkthekrolesk
boneskplaykinksupportingkthekbodykandkenablingmovement.
2. Asidekfromklength,kwhatkareksomekotherkcommonkcharacteristicskofkaklongkbone?kAreklongkb
onesktypicallykassociatedkwithkthekaxialkorkappendicularkskeleton?
Inkadditionktoktheirklength,klongkboneskpossesskseveralkotherkcommonkcharacteristics.kTheykhaveka
kcylindricalkshapekandkconsistkofkakshaftk(diaphysis)kandktwokexpandedkendsk(epiphyses). kLongkbo
neskarekprimarilykcomposedkofkcompactkbonektissuekonkthekexteriorkandkcontainkspongykorkcancel
louskbonektissuekwithinkthekepiphyses.kTheykalsokhavekakcentralkmarrowkcavitykthatkhouseskbonek
marrow,kwhichkiskresponsiblekforkthekproductionkofkbloodkcells.kLongkboneskarektypicallykassociat
edkwithkthekappendicularkskeleton,kwhichkincludeskthekboneskofktheklimbskandkgirdles,kasktheykpro
videksupportkandkfacilitatekmovementkinkthekbody'sextremities.
3. Comparekflatkboneskandklongkbones.kHowkarektheykdifferent?kHowkarektheyktheksame?
Flatkboneskandklongkboneskarektwokdistinctktypeskofkboneskinkthekskeletalksystem.kThekmainkdiffer
encekbetweenkthemklieskinktheirkshapekandkstructure.kFlatkboneskarekthin,kflattened,kandkoftenkcur
ved,kprovidingkprotectionktokvitalkorganskandkservingkaskattachmentksiteskforkmuscles.kExamplesk
ofkflatkboneskincludekthekskull,kribs,kandksternum.kOnkthekotherkhand,klongboneskarekelongatedka
ndkcylindrical,kcharacterizedkbykakshaftk(diaphysis)kandkexpandedkendsk(epiphyses).kLongkbones,k
suchkaskthekfemurkandkhumerus,kplaykakcrucialkrolekinksupportingkweight,kfacilitatingkmovement,k
andkproducingkredkandkwhitekbloodkcells.kDespitektheirkdifferences,kbothkflatkboneskandklongkbone
skarekcomposedkofkcompactkbonektissuekonkthekouterksurfacekandkcontainkspongykorkcancellousk
bonektissuekwithin.kTheykalsokcontributektokthekskeletalkframework,kprovidekstructuralksupport,kan
dkparticipatekinkhematopoiesis,kthekprocesskofkbloodkcellkformation.
Experimentk2:kDigitalkSlidekImagekExamination—Bone
, Lab 6 The Skeletal System
k k k k BIO201L
Post-LabkQuestions
1. Labelkthekarrowskinkthekfollowingkdigitalkslidekimages:k
CorticalkBone:
A-kinterstitialklamellae
B-khaversianksystem
C-kconcentricklamellae
D-
khaversiankcanalskTrabecularkBone:
A-ktrabeculae
B-kmarrowkcavity
k k k k BIO201L
(LAB 6) Straighter line anatomy and physiology 1 lab
BIO201L the skeletal system worksheet 2025
100% Pass Score
StudentkName:kClickkherektokenterktext.
AccesskCodek(locatedkonktheklidkofkyourklabkkit):kClickkherektokenterktext.
Pre-LabkQuestions:
1. Listkthekfunctionskofkthekskeletalksystem.
Thekskeletalksystemkserveskseveralkimportantkfunctionskinkthekbody.kFirstly,kitkprovideskstructuralksupp
ort,kgivingkshapekandkformktokthekbodykandksupportingkthekorgans.kSecondly,kitkfacilitateskmovementkb
ykservingkaskattachmentkpointskforkmuscleskandkallowingkforkjointkmobility.
Additionally,kthekskeletalksystemkprotectskvitalkorgans,ksuchkaskthekbrain,kheart,kandklungs,kfromki
njury.kItkalsokplayskakcrucialkrolekinkhematopoiesis,kthekproductionkofkbloodkcells,ktakingkplacekinkt
hekbonekmarrow.kMoreover,kthekskeletalksystemkstoreskminerals,ksuchkaskcalciumkandkphosphoru
s,kwhichkarekessentialkforkvariouskphysiologicalkprocesses.kFinally,kthekskeletalksystemkcontribute
sktokmaintainingkhomeostasiskbykregulatingktheklevelskofkmineralskinthekbloodkandkparticipatingkink
acid-basekbalance.
2. Whatkmaterialkcontributeskthekgreatestktokthekcompressivekstrengthkofkbone?kc
alciumkcarbonate
3. Brieflykdescribekthekprocesskofkbonekremodeling.
Bonekremodelingkiskakcontinuouskandkdynamickprocesskthatkinvolveskthekremovalkofkoldkbonektiss
uekandkthekdepositionkofknewkbonektissue.kItkiskcarriedkoutkbyktwoktypeskofkcells:kosteoclasts,kresp
onsiblekforkbonekresorption,kandkosteoblasts,kresponsiblekforkbonekformation.kThekprocesskbegins
kwithkthekactivationkofkosteoclasts,kwhichkbreakkdownkandkremovekoldkorkdamagedkbonektissuekthr
oughkakprocesskcalledkresorption.kThiskcreatesksmallkcavitieskork"Howship'sklacunae"kinkthekbone.k
Subsequently,kosteoblastskmigratektokthekresorptionksitekandkstartksynthesizingknewkbonekmatrix,k
whichkconsistskofkcollagenkfiberskandkmineralksalts.kThiskprocesskiskknownkaskbonekdeposition.kO
steoblastskeventuallykbecomeksurroundedkbyktheknewlykformedkbonekmatrixkandktransformkintoko
steocytes,kwhichkmaintainandkregulatekthekbonektissue.kBonekremodelingkoccurskthroughoutklife,k
helpingktokrepairkmicro-
damage,kmaintainkbonekstrength,kandkadaptktokmechanicalkstresses.kItkiskinfluencedkbykvariouskfa
ctors,kincludingkhormonalkregulation,kmechanicalkloading,kandkcalciumkhomeostasis.Experime
ntk1:kClassificationkofkBones
,Lab 6 The Skeletal System
k k k k BIO201L
Tablek6:kClassificationkofkBones
BonekName ClassificationkbykShape ClassificationkbykLocation
carpel short appendicular
femur Long appendicular
radius Long appendicular
ulna Long appendicular
tibia Long appendicular
,Lab 6 The Skeletal System
k k k k BIO201L
tarsal short appendicular
vertebrae irregular axial
sternum flat axial
frontal flat axial
temporal flat axial
Post-LabkQuestions
1. Whykiskitkimportantktokclassifykbones?
Bonekclassificationkiskessentialkbecausekitkallowskforktheksystematickorganizationkandkunderstan
dingkofkthekvariousktypeskofkboneskinkthekhumankbody.kBykclassifyingkboneskbasedkonktheirkshape
,ksize,kandklocation,kwekcankidentifykandkstudyktheirkuniquekcharacteristics,kfunctions,kandkrelati
onshipskwithkotherkstructures.kThiskclassificationksystemkaidskinkdiagnosingkskeletalkabnormaliti
es,kinterpretingkmedicalkimaging,kplanningksurgicalkinterventions,kandkcomprehendingkthekrolesk
boneskplaykinksupportingkthekbodykandkenablingmovement.
2. Asidekfromklength,kwhatkareksomekotherkcommonkcharacteristicskofkaklongkbone?kAreklongkb
onesktypicallykassociatedkwithkthekaxialkorkappendicularkskeleton?
Inkadditionktoktheirklength,klongkboneskpossesskseveralkotherkcommonkcharacteristics.kTheykhaveka
kcylindricalkshapekandkconsistkofkakshaftk(diaphysis)kandktwokexpandedkendsk(epiphyses). kLongkbo
neskarekprimarilykcomposedkofkcompactkbonektissuekonkthekexteriorkandkcontainkspongykorkcancel
louskbonektissuekwithinkthekepiphyses.kTheykalsokhavekakcentralkmarrowkcavitykthatkhouseskbonek
marrow,kwhichkiskresponsiblekforkthekproductionkofkbloodkcells.kLongkboneskarektypicallykassociat
edkwithkthekappendicularkskeleton,kwhichkincludeskthekboneskofktheklimbskandkgirdles,kasktheykpro
videksupportkandkfacilitatekmovementkinkthekbody'sextremities.
3. Comparekflatkboneskandklongkbones.kHowkarektheykdifferent?kHowkarektheyktheksame?
Flatkboneskandklongkboneskarektwokdistinctktypeskofkboneskinkthekskeletalksystem.kThekmainkdiffer
encekbetweenkthemklieskinktheirkshapekandkstructure.kFlatkboneskarekthin,kflattened,kandkoftenkcur
ved,kprovidingkprotectionktokvitalkorganskandkservingkaskattachmentksiteskforkmuscles.kExamplesk
ofkflatkboneskincludekthekskull,kribs,kandksternum.kOnkthekotherkhand,klongboneskarekelongatedka
ndkcylindrical,kcharacterizedkbykakshaftk(diaphysis)kandkexpandedkendsk(epiphyses).kLongkbones,k
suchkaskthekfemurkandkhumerus,kplaykakcrucialkrolekinksupportingkweight,kfacilitatingkmovement,k
andkproducingkredkandkwhitekbloodkcells.kDespitektheirkdifferences,kbothkflatkboneskandklongkbone
skarekcomposedkofkcompactkbonektissuekonkthekouterksurfacekandkcontainkspongykorkcancellousk
bonektissuekwithin.kTheykalsokcontributektokthekskeletalkframework,kprovidekstructuralksupport,kan
dkparticipatekinkhematopoiesis,kthekprocesskofkbloodkcellkformation.
Experimentk2:kDigitalkSlidekImagekExamination—Bone
, Lab 6 The Skeletal System
k k k k BIO201L
Post-LabkQuestions
1. Labelkthekarrowskinkthekfollowingkdigitalkslidekimages:k
CorticalkBone:
A-kinterstitialklamellae
B-khaversianksystem
C-kconcentricklamellae
D-
khaversiankcanalskTrabecularkBone:
A-ktrabeculae
B-kmarrowkcavity
