Click to Watch in HD > Grade 12 Biology |Biology Exam|វិញ្ញាសាជីវវិទ្យា(6)

Watch This video is about biology exam វិញ្ញាសាជីវវិទ្យាប្រឡងគ្រូមធ្យមនិងប្រឡងពេទ្យ.You can learn free biology lessons in Khmer on this channel and well upload more videos on biological terms and so on. You can also learn English as well. Any questions or opinions, comment us bellow. Thanks for your sharing our videos. Please click on SUBSCRIBE our channel to get more recently uploaded videos. Thanks for watching and subscribes. Good luck to all of you. More videos: - Exam 1 Exam 2 Exam 3 Exam 4 Exam 5 us: