وكالة الأمم المتحدة لإغاثة وتشغيل اللاجئين
الفلسطينيين في الشرق الأدنى
اليوم الأول
Week12/Grade9/Day1: Biology
Chapter 1 (Heart and cardiac activity)
Follow the instructions on the Study Sheet
You may also Refer to the National text book page 56-57
Ask for support from your teacher
Share your work with your teacher