高中生物必修三知识点总结填空版.pdfVIP

高中生物必修三知识点总结填空版

Chapter1TheInternalEnvironmentandHomeostasisofthe

HumanBody

1.BodyfluidsXXX:intracellularfluid(whichaccountsfor

about2/3ofbodyfluids)andextracellularfluid(whichaccounts

forabout1/3ofbodyfluids)。includingbloodplasma。tissue

fluid。lymph。andcerebrospinalfluid.

2.Theinternalenvironmentofbloodcells。lymphcells。

capillarywallcells。XXXdifferent.

3.Thenshipeenbloodplasma。tissuefluid。lymph。and

intracellularfluidisXXX.

4.Themaincomponentsofbloodplasmaareproteins。XXX

issimilartothatofbloodplasma。butwithlessprotein.

5.Thephysicalandchemicalpropertiesoftheinternal

environmentinclude:(1)Osmoticpressure。XXX。theosmotic

pressureofplasmaisXXXsodiumions。whileover90%ofthe

osmoticpressureofextracellularfluidisdeterminedbysodium

ions。andtheosmoticpressureofextracellularfluidisabout7.5

kPa。whichisXXX0.9%XXX(2)Acid-basebalance:thenormal

pHrangeofhumanbloodplasmais7.35-7.45.whichisrelatedto

thebufferingcapacityofbicarbonatebuffersystem。Ifthefoodis

acidic。itwillundergoXXX。ifthefoodisalkaline。itwillalso

undergoXXX(3)Temperature:thenormalbodytemperatureis

XXX℃.

6.XXXXXXinclude:increasedcapillarypermeability。

decreasedplasmaosmoticpressure。lymphaticn。andXXX.

7.XXX.

8.

9.HomeostasisoftheXXXfeedbackmechanism。inwhich

theXXX。XXX.

Chapter2n1:XXX

1.Thenervoussystemconsistsoffiveparts。andtheXXX.

2.XXXoccurinclude:thepresenceofastimulus。XXX

sensoryreceptors。thenofnerveimpulsestothecentralnervous

system。thenofnerveimpulsesinthecentralnervoussystem。

andthenofXXX.

3.XXXtotheprocessbywhichsometissues(nervetissues)

orcellsXXXfromarelativestateofresttoanactivestateafter

sensingexternalstimuli.

4.X