Lab 11 The Circulatory System
c c c c BIO202L
(Lab 11) Straighter line Anatomy and Physiology II Lab
BIO202L The Circulatory System Worksheet 2025
100% Pass
AccesscCodec(locatedconctheclidcofcyourclabckit):cClickcherectocenterctext.
Pre-LabcQuestions:
1. Describecthecpathwaycofcbloodctravelingcthroughcthecclosedcsystemcofctheccirculatorycsystemcstartingc
withcthecrightcatrium.
Thecbloodcbeginscitscjourneycincthecrightcatriumcofcthecheart,cwherecitcreceivescdeoxygenatedcbloodcfromct
hecbodycthroughcthecsuperiorcandcinferiorcvenaccavae.cFromcthere,citcmovescthroughcthectricuspidcvalvecin
tocthecrightcventricle,cwhichcthencpumpscthecbloodcthroughcthecpulmonarycvalvecandcintocthecpulmonaryca
rteries,csendingcitctoctheclungscforcoxygenation.
Alternatively,cyoucmaycalsocdrawcacmapcofcbloodctravelingcthroughcthecclosedccirculatorycsystemcandcinser
tcitcbelow
2. Whatcarecthecmaincresistancecvesselscofctheccirculatorycsystem?cHowcarectheyccontrolled?
, Lab 11 The Circulatory System
c c c c BIO202L
Thecmaincresistancecvesselscofctheccirculatorycsystemcarecthecarterioles.cTheycarecsmallcbranchescofcarter
iescthatcregulatecbloodcflowcandcpressurecwithincthecsystem.cThecdiametercofcarteriolesciscprimarilyccontrol
ledcbycthecautonomiccnervouscsystemcandclocalcchemicalcfactors,csuchcascoxygencandccarboncdioxideclev
els,cascwellcascotherclocalcmetabolites.cConstrictioncofcarteriolescincreasescresistancecandcreducescblood
cflow,cwhilecdilationcdecreasescresistancecandcincreasescbloodcflowctocmeetcthecdemandscofcdifferentctiss
uescandcorgans.
Experimentc1:cMicroscopiccExaminationcofcBloodcVessels
Post-LabcQuestions
1. Labelceachcofcthecitemscincthecfollowingcslidecpicturescbasedconcyourcobservations.
A-cturnicacerterna
B-ctunicacmedia
C-ctunicacinterna
D-csurroundingcadiposectissue
E-ctunicacinterna-cendothelium
F-ctunicacexterna
G-ctunicacmedia
c c c c BIO202L
(Lab 11) Straighter line Anatomy and Physiology II Lab
BIO202L The Circulatory System Worksheet 2025
100% Pass
AccesscCodec(locatedconctheclidcofcyourclabckit):cClickcherectocenterctext.
Pre-LabcQuestions:
1. Describecthecpathwaycofcbloodctravelingcthroughcthecclosedcsystemcofctheccirculatorycsystemcstartingc
withcthecrightcatrium.
Thecbloodcbeginscitscjourneycincthecrightcatriumcofcthecheart,cwherecitcreceivescdeoxygenatedcbloodcfromct
hecbodycthroughcthecsuperiorcandcinferiorcvenaccavae.cFromcthere,citcmovescthroughcthectricuspidcvalvecin
tocthecrightcventricle,cwhichcthencpumpscthecbloodcthroughcthecpulmonarycvalvecandcintocthecpulmonaryca
rteries,csendingcitctoctheclungscforcoxygenation.
Alternatively,cyoucmaycalsocdrawcacmapcofcbloodctravelingcthroughcthecclosedccirculatorycsystemcandcinser
tcitcbelow
2. Whatcarecthecmaincresistancecvesselscofctheccirculatorycsystem?cHowcarectheyccontrolled?
, Lab 11 The Circulatory System
c c c c BIO202L
Thecmaincresistancecvesselscofctheccirculatorycsystemcarecthecarterioles.cTheycarecsmallcbranchescofcarter
iescthatcregulatecbloodcflowcandcpressurecwithincthecsystem.cThecdiametercofcarteriolesciscprimarilyccontrol
ledcbycthecautonomiccnervouscsystemcandclocalcchemicalcfactors,csuchcascoxygencandccarboncdioxideclev
els,cascwellcascotherclocalcmetabolites.cConstrictioncofcarteriolescincreasescresistancecandcreducescblood
cflow,cwhilecdilationcdecreasescresistancecandcincreasescbloodcflowctocmeetcthecdemandscofcdifferentctiss
uescandcorgans.
Experimentc1:cMicroscopiccExaminationcofcBloodcVessels
Post-LabcQuestions
1. Labelceachcofcthecitemscincthecfollowingcslidecpicturescbasedconcyourcobservations.
A-cturnicacerterna
B-ctunicacmedia
C-ctunicacinterna
D-csurroundingcadiposectissue
E-ctunicacinterna-cendothelium
F-ctunicacexterna
G-ctunicacmedia
