جواب سوال لاتین تبیان دوشنبه 14 مرداد ماه

سوال : Which part of the body, cells can't be replaced after they are worn out?

جواب :

 cells tooth

منبع : http://www.ada.org/public/topics/tooth.asp

لینک مسابقه : http://tebyan.net/index.aspx?pid=29855&questionType=5