[(*أحمد عرفة*)]

كل عام و انتم بخير ... ممكن حل السؤال ده .... خاصة نمرة 1
Read the following text and fill in the gaps

Hundreds of years ago , scientists studied the human brain . they wanted to find out ……1…..everyone's brain is the same size , they …..2….that the human brain is about two percent of the body's weight . in fact , it ….3….about 1400 gram . the brain has billions of nerve…….4……they …..5-…….neurons . the brain never sleeps ;it sends and receives …..6…..twenty four hours a day