Geology and biology for the third grade of high school with Mr. Ibrahim Makkawi, teacher of science, biology, bio and geology, and with your honor in any question for excellence, not just success

renal system. very important to remove all west's from bad as water salts and urine renal system consists of two kidney , two urieter and one urinary bladder أهمية الجهاز البولي ومكونات للتخلص من الماء والاملاح الزائدة والفضلات مثل البول والنشادر

Biologist Ebrahem biology,, geology and science teacher for national and international school and sat to catch the final grade without stress مستر ابراهيم مكاوي مدرس ساينس وبيولوجي للناشونال والانترناشونال وجيولوجى للحصول على أعلى مستوى بدون ضغط

A comprehensive review of geology in general and biology for the most important ideas in a new, prominent and easy way, in many ways, such as live examples and stories, with Mr. Ibrahim, teacher of science, biology, and geology