Umongo oluhlobo lwe-tissue olufumaneka kwindawo ekhongozeleyo nevulekileyo apha ethanjeni. Kubantu abadala, umongo kumathambo amakhulu wenza ii-cell zegazi ezintsha. Isixa somongo Umongo sizii-% ezi-4 kubunzima bomzumba womntu (malunga nee-kilograms ezi-2.6)