pishevaritelnaya sistema i protsess pishevareniya

powerpoint presentation pishevaritelnaya sistema i protsess pishevareniya: blagodarya nalichiyu pishevaritelnoy sistemi proisxodit slojniy fiziologicheskiy protsess, v xode kotorogo pisha, postupayushaya v organizm, podvergaetsya fizicheskim i ximicheskim izmeneniyam i vsasivaetsya v krov. danniy protsess nazivaetsya pishevareniem. sistemu organov pishevareniya obrazuyut rotovaya polost, pishevod, jeludok, kishechnik, pishevaritelnie jelezi. rotovaya polost: v rotovoy polosti proisxodit pervichnaya obrabotka pishi, kotoraya sostoit v eyo mexanicheskom izmelchenii s pomoshyu yazika i zubov i prevrashenii v pishevoy komok. slyunnie jelezi: slyunnie jelezi videlyayut slyunu, fermenti kotoroy nachinayut rassheplenie soderjashixsya v pishe uglevodov. glotka i pishevod: cherez glotku i pishevod ...

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