ContentsPartIIntroductiontotheIntegumentarySystemPartIIDiseasesRelatedtotheIntegumentarySystemPartIIICelebrityandDiseasePartIVMedicalTerminologyRelatedtotheIntegumentarySystem1PartVFurtherThinking
PartIVideo:IntroductiontotheIntegumentarySystem2
ThinkandTalkTheskinconsistsoftwolayers:theepidermisandthedermis.Beneaththedermisliesthehypodermisorsubcutaneousfattytissue.Theskinhasthreemainfunctions:protection,regulationandsensation.Theskinisastablebutflexibleoutercoveringthatactsasbarrier,protectingyourbodyfromharmfulthingsintheoutsideworldsuchasmoisture,thecoldandsunrays,aswellasgermsandtoxicsubstances.Theepidermisprotectsthebodybykeepingthingsthatmightbeharmfuloutandkeepingthethingsyourbodyneedstofunctionproperlyin.Bacteria,viruses,fungiandotherinfectiousagentsarekeptout.Sebumproducedbyglandshelpsinhibitmicrobestokeeptheskinwaterproof,sothatwaterandnutrientsarekeptinforthebodytouse.Reference3
ThinkandTalkSpecializedcellsintheepidermishelpprotectyourbody,too.Melanocytescontainapigmentcalledmelaninandareresponsiblefortheskintoneorcolor.Theycanfilteroutultraviolet(UV)radiationfromthesun.Langerhanscellsarepartoftheimmunesystem.Theyactlikeguardsandsignalthebodywhentheydetectforeignsubstances,suchasbacterianotusuallyfoundontheskin.Reference4
TaskOne:BlankFillinginterface (2)insides(3)reveals (4)incorporates (5)glands WatchandDo(6)thickness(7)sensations(8)touch(9)seals(10)dermal5
TaskTwo:MultipleChoiceWatchandDo61.D2.B3.D4.B5.C
TaskThree:DescriptionTheskinmakesup16%ofyourphysicalweight,andisthelargestorganinourbody.Itsmainpurposeistokeepourinsidesin.Skinisthefoundationoftheintegumentarysystem,whichalsoincorporateshair,nails,andspecia