动物的营养简体版七年级生物课件
日期:2010-04-13 04:23
营养物质的消化(Digestion)Footnote:water,孩子的腹部会隆起?Theprocessofbreakingdownfoodintosmallandsolublemoleculesiscalleddigestion食物在消化道内分解成可以被吸收利用的小分子物质的过程,一,Whydosomestarvedchildrenhaveabigabdomen?为什么长期挨饿,vitaminsandmineralscouldbeabsorbeddirectlywithoutdigestion食物的消化thedigestionoffood大分子物质小分子物质大分子物质小分子物质食物的消化淀粉脂肪蛋白质oralcavity口腔Pharynx咽Liver肝脏Pancreas胰脏Stomach胃LargeIntestine大肠Smallintestine小肠Anus肛门消化道alimentarycanal:消化腺digestivegland:Salivarygland唾液腺Gastricglands胃腺smallIntestineglands肠腺Digestivesystem消化系统Gullet食道胆囊Digestionintheoralcavity口腔内的消化唾液腺Footnote:物理性消化(PhysicalDigestion)化学性消化(ChemicalDigestion)backDigestioninthestomach胃中的消化胃腺AdditionalInformation什么是胃溃疡(pepticulcer)?backDigestioninthesmallintestine小肠内的消化肝脏胆囊AdditionalInformation什么是胆结石(Gallstone)?backFootnote:物理性消化(PhysicalDigestion)化学性消化(ChemicalDigestion)胰腺胰液胰淀粉酶淀粉麦芽糖脂肪微粒脂肪酸+甘油胰脂肪酶胰蛋白酶蛋白质多肽Digestioninthesmallintest,
查看全部