1. Biology and technology 30 min

2. Renowned Ethiopian 30 min

3. Professor Tilahun Yilma and his vaccines 30 min

4. Ethiopian biologists 30 min

5. Bioloogical research in Ethiopia 30 min

6. Biological research in Ethiopia conti.. 30 min

7. Cell biology 35 min

8. The light microscope 25 min

9. The electron microscope 25 min

10. The cell 25 min

11. Cell structures and functions 35 min

12. Structures and functions in unspecialised plant cells 25 min

13. Cell specialisation in humans 30 min

14. Cell specialisation in humans conti... 25 min

15. Cell specialization in humans conti... 30 min

16. Cell specialisation in humans conti... 30 min

17. The cell and its environment 35 min

18. The cell and its environment conti.. 25 min

19. The cell and its environment conti.. 35 min

20. The cell and its environment conti.. 25 min

21. Cell and its environment conti.. 30 min

22. Human biology and health 35 min

23. Human biology and health cont... 35 min

24. Human biology and health cont... 35 min

25. Human biology and health cont... 35 min

26. Human biology and health cont... 30 min

27. Human biology and health cont... 35 min

28. Human biology and health cont... 30 min

29. Human biology and health cont... 35 min

30. Human biology and health cont... 35 min

31. Human biology and health cont... 30 min

32. Human biology and health cont... 30 min

33. Human biology and health cont... 30 min

34. Human biology and health cont... 35 min

35. Human biology and health cont... 35 min

36. Human biology and health cont... 30 min

37. Human biology and health cont... 35 min

38. Human biology and health cont... 35 min

39. Microorganisms and Disease 30 min

40. Microorganisms and Disease conti... 35 min

41. Microorganisms and Disease conti...

42. Microorganism and Disease conti.. 35 min

43. Microorganism and Disease conti.. 40 min

44. Microorganism and Disease conti.. 40 min

45. Microorganisms and Disease cont... 35 min

46. Microorganisms and Disease cont... 40 min

47. Microorganisms and Disease cont... 35 min

48. Microorganisms and Disease cont... 40 min

49. Microorganisms and Disease cont... 40 min

50. Microorganisms and Disease cont... 40 min

51. Microorganisms and Disease conti.../syphilis 40 min

52. microorganism and disease cont... 40 min

53. CLASSIFICATION 40 min

54. CLASSIFICATION conti.. 40 min

55. classfication conti.. 30 min

56. classification conti... 30 min

57. classification conti... 30 min

58. classification conti... 30 min

59. classification conti... 30 min

60. classification conti... 30 min

61. classification conti... 30 min

62. classification conti... 30 min

63. classification conti... 30 min

64. classification conti... 30 min

65. classification conti... 30 min

66. classification conti... 35 min

67. classification conti... 35 min

68. Environment 35 min

69. Food Relationship 35 min

70. Energy for Life 40 min

71. 6.3. Recycling in Nature 40 min

72. 6.4. Adaptation 35 min

73. Biology and technology 30 min

74. Biology and technology conti 35 min

75. unit summary for unit one 30 min

76. Cell biology 30 min

77. Cell biology part 2 30 min

78. Summary for Microscope 25 min

79. Cell biology part 3 35 min

80. Cell biology part 4 35 min

81. Cell biology part 5 35 min

82. Cell summary

83. The cell and its Environment 30 min

84. cell and its environment conti.. 30 min

85. Cell and its Environment Summary 25 min

86. Human biology and health 35 min

87. Disaccharides, Polysaccharides and Lipids 30 min

88. Proteins, Minerals, Vitamins and Water 35 min

89. Summary for Food and Nutrition 30 min

90. The process of digestion 30 min

91. Summary for digestive system 25 min

92. Breathing and Respiration system 35 min

93. Summary for respiratory system 30 min

94. The circulatory system 35 min

95. The heart and blood vessels 35 min

96. Blood pressure and Blood components 35 min

97. Summary of lesson 1,2 and 3 30 min

98. Summary on 4,5 and 6 40 min

99. Summary on 7, 8 and 9 35 min

100. Summary of lesson 10, 11 and 12 35 min

101. Summary of lesson 13, 14 and 15 ... 40 min

102. Summary of lesson 16, 17 and 18 35 min

103. Summary of lesson 19, 20 and 21 35 min

104. Summary of lesson 22, 23 and 24 35 min

105. Summary of lesson 25, 26 and 27 40 min

106. Summary of lesson 28, 29 and 30 40 min

107. Summary of lesson 31, 32 and 33 35 min

108. Summary of lesson 34, 35 and 36 40 min

109. Summary of lesson 37, 38 and 39 40 min

110. Summary of lesson 40, 41 and 42 35 min

111. Summary of lesson 43, 44 and 45 40 min

112. Summary of lesson 46, 47 and 48 35 min

113. Summary of lesson 49, 50 and 51 40 min

114. Summary of lesson 52, 53 and 54 40 min

115. Summary of lesson 55, 56 and 57 25 min

116. Summary of lesson 58, 59 and 60 35 min

117. Summary of lesson 61, 62 and 63 40 min

118. Summary of lesson 64, 65 and 66 40 min

119. Summary of lesson 67, 68 and 69 40 min

120. Summary of lesson 70, 71 and 72 40 min