Isibindi siyilungu ebalulekileyo lomzimba elijongene nokuxutywa kwe-detoxification, imetabolism, ukuhlanganiswa kunye nokugcinwa kwezinto ezahlukeneyo. Isibindi sibalulekile ebomini. Ngaphandle kwalo, umntu akanakuphila ngaphezu kweeyure ezingama-24.
Ubukhulu kunye neSimo
Isibindi sisona sikhulu esikhulu sangaphakathi emzimbeni (ulusu lubhekwa njengelungu elikhulu kunawo wonke umzimba) kwaye linzima malunga neekhilogram ezi-3 (1500g).
Iqumrhu elibomvu elibomvu lifumaneka ngaphantsi kwembambo ephezulu kunxalenye yesisu, ngaphantsi kwesiqhekeza. Uninzi lwesibindi lukhuselwe yintambo yombhobho, kodwa kunokwenzeka ukuba oogqirha bavelele umda walo ngokucinezela ngokujulile kwisisu xa isigulane sinyusa umoya omkhulu.
Kukho ii-lobes ezimbini ngaphandle kwesibindi, i-lobe enkulu kunye ne-lobe encinci yekhohlo. Iqela leethambo ezixhamlayo lihlula i-lobes kwaye ligcina isibindi kwisigxina esiswini.
Iimpawu zesibindi zenziwe ngamacandelo amancinci eeseli zesibindi. Phakathi kwala maseli, amaninzi amanqanawa athatha igazi kunye ne-bile (i-fluid eyenziwe kwaye ikhutshwe sisibindi kwaye igcinwe kwi- gallbladder ).
Iinkqubo
Amachiza, amayeza kunye nezinye izinto (kuquka izinto ezinobuthi) uhamba ngegazi ukuya esibindi. Emva koko, ezi zinto zicutshungulwa, zigcinwe, ziguqulwe kwaye zixutywe. Emva koko baphinde babuyele egazini okanye bakhululwe kwilungu.
Ngoncedo lwe-vitamin K, isibindi senza iiprotheni ezincedayo nge-clotting yegazi. Isibindi sinye yezinye izitho ezichitha iiseli zamandulo okanye ezonakaliswe.
Metabolism
Isibindi sidlala indima ebalulekileyo kwi-metabolism yamafutha, i-carbohydrate kunye neeprotheni. Kwi-fat metabolism, isibindi siphula amafutha kwaye senza amandla.
Kwakhona ivelisa i-bile, i-yellow, i-brownish okanye i-oli-green-green liquid eyanceda ukuphula kunye nokufumana amafutha.
Kwi-metabolism ye-carbohydrates, isibindi sinceda ukugcina isetyhu egazini lakho rhoqo. Xa udla, kunye neshukela lakho legazi liphuma, isibindi sisusa iswekile egazini kwaye siyigcine kwifomu ebizwa ngokuba yi-glycogen. Ukuba isetyhi legazi liphantsi kakhulu, isibindi siphula i-glycogen kwaye sikhipha iswekile egazini. Isibindi sigcina iivithamini kunye neemaminera (isinyithi kunye nobhedu) kwaye iyakhupha egazini xa kufuneka.
Kwi-metabolism yeproteins, iiselingi zesibindi zitshintsha ama-amino acids ekudleni ukuze zisebenzise ukuvelisa amandla, okanye zenze i-carbohydrates okanye amafutha. Le nkqubo idala into enetyhefu ebizwa ngokuthi i-ammonia. Isibindi sithatha i-ammonia kwaye siyijika ibe yinto engcolileyo kakhulu ebizwa ngokuthi urea, ekhishwa kwigazi. Urea uhamba ngeentso aze aphume emzimbeni kumchamo.
Umthombo:
I-PubMed Health [Intanethi]. (Kuhlaziywe ngoNovemba 22, 2012) "Usebenza njani isibindi?" AmaZiko eZiko lezeMpilo.