Ii-tissues zinendawo eziyenzayo kwi-organ. Ii-tissues ngamaqela ee-cells asebenzisanayo xa zisenza umsebenzi emzimbeni. Zingamaqela ee-cells ezimvelaphi yazo ifanayo, indlela ezimile ngayo, kunye nomsebenzi wazo. Ii-cells ziyafana okanye ziphantse zifane. umzebenzi owenziwa zii-cells ukwangumsebenzi ofanayo okanye phantse ufane. ezi ntlobo-ntlobo ziquka izihlunu, i-uscles, ii-nerves, kunye nee-connective tissues.