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1、BIOLOGYMODULE2012LEARNINGAREA:TRANSPORTActivity1:ThecirculatorysysteminhumansandanimalsThecirculatorysystemisdividedintoaclosedcirculatorysystemandanopencirculatorysystem.Humans,fish,amphibiansandbirdshaveaclosedcirculatorysystem,whileinsectshaveanopencircu
2、latorysystem.Unlikefishwhichhaveasinglecirculatorysystem,amphibians,birdsandhumanshaveadoublecirculatorysystem.Thehumancirculatorysystemconsistsofblood,bloodvesselsandtheheart.Bloodismadeupofbloodcellsandplasma.Bloodcellsconsistofredbloodcells,whitebloodcel
3、lsandplatelets.Plasmaconsistsofwater,plasmaproteins,nutrients,metabolicwaste,hormonesandantibodies.Bloodvesselsaredividedintothreetypes;arteries,veinsandcapillaries.Theheartistheorganthatpumpsblood,whichcarriesallthevitalmaterialsthathelpthebodyfunctionandw
4、asteproductsthatthebodydoesnotneed.Transfertheinformationfromthetextaboveintothegraphicorganizerbelow.CirculatorysystemFishOpenDoublecirculatorysystemconsistsofexampleexampleHumanBirdsHeartBloodvesselconsistsofPlasmamadeupofconsistsofRedbloodcell16Activity2
5、:ThecellularcomponentsofthebloodandtheirfunctionsWritethecorrectcellduetoitsfunction.CellularcomponentFunctionContainshaemoglobintocarryoxygenandcarbondioxideLeucocytes(whitebloodcell)GranularPhagocyteswhichengulfanddigestbacteriaanddeadcellsReleasesenzymet
6、hatcombatinflammationinallergicreactions.Killsparasiticworms.Combatsinflammationinallergicreactions.AgranularProducestheimmuneresponseagainstforeignsubstances.PhagocyteswhichengulfanddigestbacteriaanddeadcellsInvolvedintheprocessofbloodclotting.Activity3:Bl
7、oodvesselsComparisonbetweenarteries,capillariesandveins.Fillintheboxwithcorrectanswer.BloodvesselsArteriesCapillariesVeinsFunctionAllowrapidgaseousexchange,nutrients,wasteandhormonesbetweenthebloodandcellsCarrydeoxygenatedblood(exceptforthepulmonaryvein)tow
8、ardstheheartThethicknessofthewallThinnest(one-cellthick)ValvesNovalves,exceptsemi-lunarvalvesintheaortaandpulmonaryarteryThesizeoflumenSmallLarge16Activity4:TheHumanHeartTheheartconsistsoffourchambers: