Ngwongwo n'ime uzo eze

Ngwongwo nke nri bu ihe di nkpa nke na-eme ka ihe di iche iche nke ndi na-edozi, umu anumanu na carbons di n'ime ndi mmadu ndi mmadu na-acho ya. N'akụkụ dị iche iche nke tract digestive, dị iche iche ogige disintegrate, nke a na-etinyezi n'ime obere mucosa na-agbasa n'ime ahụ dum. Amalite otu mgbaze ahụ n'ọnụ.

Tupu na-atụle otú mgbaze na ọnụ, a ga-ọ dịkarịa ala, na nkenke maara ya Ọdịdị.

Nhazi nke uzo eze

The mmewere nwere ike kere onu oghere n'ime ìgwè abụọ:

• Ọnụ ọnụ nke ọnụ (ohere dị n'agbata egbugbere ọnụ na ezé);
• Obụrụ na-ezuru ọnụ (dịka ezé, ọkpụkpụ ala na diaphragm nke ọnụ);

Nke obula nke oghere uzo nwere oru nke ya ma obu oru maka usoro nhazi nri.

Ụbụrụ bụ maka ọrụ nhazi nke ihe oriri siri ike. Site n'enyemaka nke canines na incisors nwoke ata nri, mgbe ahụ, obere molars ya azọpịa. Ọrụ nke nnukwu ihe eji eme ihe bụ ịkwanye ngwaahịa.

Ire bụ nnukwu akwara muscle nke na-adakwasị ala nke oghere ọnụ. Asụsụ abughi nani na nhazi nri, kamakwa na usoro okwu. N'ịga, akụkụ ahụ a na-akpọ muscular na-ejikọta nri ndị a na-egbutu na mmanụ na-emepụta nri nri. Tụkwasị na nke ahụ, ọ bụ na anụ ahụ nke ire na-atọ ụtọ, okpomọkụ, ihe mgbu na ndị ntanetị dị.

Glands ndị na-edozi ahụ - parotid, sublingual na submaxillary glands na-abanye n'èzí ọnụ ụzọ site na enyemaka nke a duct. Ọrụ ha bụ mmepụta na excretion nke mmiri, nke dị oke mkpa maka usoro mgbaze. Ọrụ ntanetị bụ:

• Digestive (mmiri nwere enzymes, site na nke ndị carbohydrates na-kpochapụ);
• Nchebe (mmiri nwere lysozyme, nke nwere ike bactericidal siri ike, na mmiri nwere immunoglobulins na ihe ndị na-eme ka coagulation.) Saliva na-echebe oghere uzo site na ihichapụ);
• Nwee obi ụtọ (ya na mmanụ ndị dị ka urea, salts, mmanya, ụfọdụ ọgwụ);

Ngwongwo na uzo onu uzo: nhazi usoro

N'ime oghere ọnụ, ụdị nri dị iche iche nwere ike ịbanye ma dabere na ya na-agbanwe agbanwe, ọ na-abanye n'ime esophagus ngwa ngwa mgbe ọ na-eri ihe (ihe ọṅụṅụ, nri mmiri), ma ọ bụ na-arụ ọrụ nhazi nke na-eme ka usoro nchịkọta mgbaze.

Dịka e kwuworo, site n'enyemaka ezé, a na-ata nri. A na - emegharị mmegharị ire iji jikọta nri ndị a na - ata ata na mmiri. N'okpuru nduzi nke mmiri, nri na-eme ka obi dị ụtọ ma na-ekpuchi ya. Mucin, nke dị na mmiri, na-ewebata nhazi nke ntụ ọka, nke na-emesị banye n'ime esophagus.

Ngwongwo na onu ogugu: uzo enzymatic

The mejupụtara nke asu na ụfọdụ enzymes nke na-abuana ke decomposition nke Polymers na-gụnyere. N'ime oghere ọnụ ọnụ, e nwere nkedo nke carbons, nke na-aga n'ihu na eriri afọ.

Saliva nwere mgbagwoju nke enzymes a na-akpọ ptyalin. N'okpuru ndu ha, polysaccharides decompose na nkwarụ (karịsịa maltose). Mgbe e mesịrị, maltose n'okpuru nduzi nke ọzọ enzyme kewara n'ime glucose monosaccharide.

Ogologo oge nri dị n'ọdụ uzo ma bụrụ nke nwere ike ime ka ọ bụrụ mmezigharị, ọ ga-adịrị ya mfe igwu ya n'akụkụ akụkụ ọ bụla nke ahịhịa. Ọ bụ ya mere ndị dọkịta ji ekwenye na-eri nri n'oge ọ bụla o kwere omume.

Na mgbaze a n'ọnụ. Achịcha nri na-aga n'ihu na, na-agbanye mgbọrọgwụ nke ire, na-amalite ime mgbanwe na-emetụta usoro, nke nri ahụ na-abanye n'ime esophagus ma banye n'ime afọ.

Ọ bụrụ na ichikota, mgbe ahụ, n'ime oghere uzo, usoro dị otú a dị ka ị na-eri nri, na-enyocha àgwà ndị na-atọ ya ụtọ, na-akpụ mmiri na mmanụ, na-agwakọta na isi nkwụsị nke carbohydrates.