Isakhiwo ngokubanzi samathambo omnenga
Amathambo omnenga aphawuleka ngokuba womelele kakhulu kwaye aguquke. Yenzelwe ukumelana noxinzelelo olukhulu lwemekobume yaselwandle, ngelixa ivumela i-agility kunye nentshukumo yolwelo emanzini. Enye yezona zinto zibalaseleyo yi ukakayi, equka inxalenye enkulu yobukhulu bomzimba uwonke negcina amalungu abalulekileyo eemvakalelo zomnenga.
Ukongezelela, umqolo womnenga womelele ngendlela engaqhelekanga. Yenziwe nge umqolo omelele kwaye omelele, esi sakhiwo sinoxanduva lokuxhasa ubunzima bezi zilwanyana zanyisayo kunye nokwenza ukuba zihambe phantsi kwamanzi.
Amaphiko omnenga
Amaphiko luphawu olubalulekileyo kumilambo womnenga. I-pectoral fins, ehambelana neengalo kubantu, inamathambo afana nathi, kuquka i-humerus, i-radius kunye ne-ulna. Ezi maphiko zizixhobo ezibalulekileyo zokuqubha, ukulinganisa kwaye ngamanye amaxesha njengendlela yokunxibelelana neminye iminenga.
Ukongeza, iminenga ine a Umva wokugqibela, ebekwe kwindawo ephezulu yomzimba wayo, ubukhulu bayo kunye nokumila kwayo kunokwahluka kakhulu kuxhomekeke kwiintlobo. Eli phiko linceda umnenga ukuba ugcine icala lawo xa uqubha kwaye ulawule i-thermoregulation.
Ukulungelelaniswa kwamathambo kubomi bangaphantsi kwamanzi
I-whale skeleton iye yahlengahlengiswa ngeendlela ezahlukeneyo kulo lonke ukuguquka kwayo ukuze iqhube ubomi bayo emanzini. Enye yezona zinto ziphawulekayo kubukho be-ribcage ebhetyebhetye ecinezelayo njengoko umnenga untywila ukuya kutsho kubunzulu obukhulu. Ukongeza, kufuneka kuqatshelwe ukungabikho kwesakhiwo sethambo kumsila weminenga, endaweni yoko iqulunqwe zizicubu eziqinileyo nezithambileyo ezenza amandla anamandla. umsila.
Ukuthelekisa nezinye izilwanyana zaselwandle
Xa sithelekisa amathambo omnenga kunye nawezinye izilwanyana zaselwandle, sibona iindidi ezininzi. Ngokomzekelo, ngelixa amahlengesi enomqolo obhetyebhetye ngakumbi owavumela ukuba enze i-acrobatics emanzini, iminenga inomqolo oqinileyo oxhasa ubunzima bayo obuninzi kwaye ibavumela ukuba badade ngesantya esiphezulu.
Ukwahluka phakathi kweentlobo zeminenga
Njengakumaqela amaninzi ezinto eziphilayo, kukho ukuguquguquka kwisakhiwo se-skeleton phakathi kweentlobo ezahlukeneyo zeminenga. Ngokomzekelo, iminenga ekwintsapho yomnenga ine<em>pleurae, iimbambo ezongezelelekileyo ezincamathela kwithambo lesifuba, ngoxa yona i<em>blue whale ayinayo. Lo mahluko unokunxulunyaniswa nohlengahlengiso oluthile kwindlela yabo yokuphila kunye nemekobume abahlala kuyo.
Iminenga yimimangaliso yendalo, izidalwa ezithe nangona zinkulu, ziye zavela ukuze zihambe ngobabalo kunye nobuchule emanzini. Kwixesha elizayo xa ubona umnenga, nokuba usendle okanye ukwifilimu, thatha umzuzwana ungabukeli nje ubukhulu bawo, kodwa kunye nendalo emangalisayo eyenza ukuba ubukho bawo bangaphantsi kwamanzi bubekho.