Asqazan as qorytý júıesiniń bóligi. Ol qabyrǵa aralyǵy, ishtiń joǵarǵy bóligine ornalasqan tolyq bir múshe bolyp tabylady.

Asqazannyń qabyrǵasy  5 qabattan turady:

•	Ishki qabat (shyryshty): Bul qabatta as qorytatyn sóldi óndiretin  as qorytý bezderi ornalasqan. Asqazannyń kóptegen qaterli isiginiń túrleri osy qabattan bastalady.
•	Shyryshasty qabaty: onyń negiz qyzmeti asqazannyń shyryshty qabatyna anatomııalyq demeý berý bolyp tabylady.
•	Bulshyqettik qabat: bul asqazan bulshyq etteri, olar tarylady, ishilgen tamaqty qorytý úshin  asqazannyń tolqı jıyrylýyn týdyrady. 
•	Sirliasty  qabaty:  Syrtqy qabatqa anatomııalyq demeý beretin  negizgi fýnktsııany atqarady.
•	Syrtqy (sirli) qabyq: Syrtqy qabyq asqazandy jaýyp turady jáne onyń  qursaq qýysynda fıksatsııalyq ornalasýyna jaǵdaı jasaıdy.

Tamaq (as) óńesh arqyly ótip, asqazanda shaıqalady. Asqazan suıyqtyq konsıstentsııasyn shyǵarǵanda tamaq dymqyldanady jáne ýatylady.  Sodan keıin asqazanda jınalǵandar ary qaraı qorytylý protsessin jalǵastyrý úshin ash ishekke túsedi.