1. Biology - Chapter 1- Nutrition - part 1 (Introduction) - Abdallah Reda el Sayed

  2. Biology - Chapter 1 - Nutrition - part 2 (Root hairs) - Abdallah Reda el Sayed

  3. Biology - Chapter 1 - Nutrition - part 3 (Water absorption) - Abdallah Reda el Sayed

  4. Biology - Chapter 1 - Nutrition - part 4 (Essential mineral salts) - Abdallah Reda el Sayed

  5. Biology - Chapter 1 - Nutrition - part 5 (Water pathway through the root) - Abdallah Reda el Sayed

  6. Biology - Chapter 1 - Nutrition - part 6 (Salt absorption) - Abdallah Reda el Sayed

  7. Biology - Chapter 1 - Nutrition - part 7 (O2 importance in absorption) - Abdallah Reda el Sayed

  8. Biology - Chapter 1 - Nutrition - part 8 (Photosynthesis) - Abdallah Reda el Sayed

  9. Biology - Chapter 1 - Nutrition - part 9 (Photosynthesis products) - Abdallah Reda el Sayed

  10. Biology - Chapter 1 - Nutrition - part 10 (Green plastids) - Abdallah Reda el Sayed

  11. Biology - Chapter 1 - Nutrition - part 11 (Leaves adaptation) - Abdallah Reda el Sayed

  12. Biology - Chapter 1 - Nutrition - part 12 (Structure of the leave blade) - Abdallah Reda el Sayed

  13. Biology - Chapter 1 - Nutrition - part 13 (Source of produced O2) - Abdallah Reda el Sayed

  14. Biology - Chapter 1 - Nutrition - part 14 (Light reactions part 1) - Abdallah Reda el Sayed

  15. Biology - Chapter 1 - Nutrition - part 15 (Light reactions part 2) - Abdallah Reda el Sayed

  16. Biology - Chapter 1 - Nutrition - part 16 (Dark reactions part 1) - Abdallah Reda el Sayed

  17. Biology - Chapter 1 - Nutrition - part 17 (Dark reactions part 2) - Abdallah Reda el Sayed

  18. Biology - Chapter 1 - Nutrition - part 18 (Digestion and enzymes) - Abdallah Reda el Sayed

  19. Biology - Chapter 1 - Nutrition - part 19 (Buccal digestion) - Abdallah Reda el Sayed

  20. Biology - Chapter 1 - Nutrition - part 20 (Gastric digestion) - Abdallah Reda el Sayed

  21. Biology - Chapter 1 - Nutrition - part 21 (Intestinal digestion) - Abdallah Reda el Sayed

  22. Biology - Chapter 1 - Nutrition - part 22 (Food absorption) - Abdallah Reda el Sayed

  23. Biology - Chapter 1 - Nutrition - part 23 (Metabolism and large intestines) - Abdallah Reda el Sayed

  24. Biology - Chapter 2 - Transport - part 1 (introduction) - Abdallah Reda el Sayed

  25. Biology - Chapter 2 - Transport - part 2 (T.S. in a dicot. stem) - Abdallah Reda el Sayed

  26. Biology - Chapter 2 - Transport - part 3 (Water passway through xylem) - Abdallah Reda el Sayed

  27. Biology - Chapter 2 - Transport - part 4 (How the water ascends in xylem) - Abdallah Reda el Sayed

  28. Biology - Chapter 2 - Transport - part 5 (Phloem structure) - Abdallah Reda el Sayed

  29. Biology - Chapter 2 - Transport - part 6 (Discovery of phloem structure) - Abdallah Reda el Sayed

  30. Biology - Chapter 2 - Transport - part 7 (The heart structure) - Abdallah Reda el Sayed

  31. Biology - Chapter 2 - Transport - part 8 (arteries and veins) - Abdallah Reda El Sayed

  32. Biology - Chapter 2 - Transport - part 9 (blood capillaries) - Abdallah Reda El Sayed

  33. Biology - Chapter 2 - Transport - part 10 (plasma and R.B.C.s) - Abdallah Reda El Sayed

  34. Biology - Chapter 2 - Transport - part 11 (W.B.C.s - platelets) - Abdallah Reda El Sayed

  35. Biology - Chapter 2 - Transport - part 12 (Blood's function) - Abdallah Reda El Sayed

  36. Biology - Chapter 2 - Transport - part 13 (Some facts about blood pressure) - Abdallah Reda El Sayed

  37. Biology - Chapter 2 - Transport - part 14 (Pulmonary circulation) - Abdallah Reda El Sayed

  38. Biology - Chapter 2 - Transport - part 15 (Systemic circulation) - Abdallah Reda El Sayed

  39. Biology - Chapter 2 - Transport - part 16 (Blood clotting) - Abdallah Reda El Sayed

  40. Biology - Chapter 3 - Respiration - part 1 (Cellular respiration) - Abdallah Reda El Sayed

  41. Biology - Chapter 3 - Respiration - part 2 (Mitochondria structure) - Abdallah Reda El Sayed

  42. Biology - Chapter 3 - Respiration - part 3 (Glycolysis) - Abdallah Reda El Sayed

  43. Biology - Chapter 3 - Respiration - part 4 (Krebs cycle) - Abdallah Reda El Sayed

  44. Biology - Chapter 3 - Respiration - part 4 (Electron transport chain) - Abdallah Reda El Sayed

  45. Biology - Chapter 3 - Respiration - part 5 (Anaerobic respiration) - Abdallah Reda El Sayed

  46. Biology - Chapter 3 - Respiration - part 6 (Respiratory system in man) - Abdallah Reda El Sayed

  47. Biology - Chapter 3 - Respiration - part 7 (Mechanism of respiration) - Abdallah Reda El Sayed

  48. Biology - Chapter 3 - Respiration - part 8 (Gaseous exchange in plants) - Abdallah Reda El Sayed

  49. Biology - Chapter 3 - Respiration - part 9 (Non green parts of the plant) - Abdallah Reda El Sayed

  50. Biology - Chapter 3 - Respiration - part 10 (Green parts of the plant) - Abdallah Reda El Sayed

  51. Biology - Chapter 3 - An experiment to show alcoholic fermentation - Abdallah Reda El Sayed

  52. Biology - Chapter 4 - introduction to excretion - Abdallah Reda El Sayed

  53. Biology - Chapter 4 - The Kidneys - Abdallah Reda el Sayed

  54. Biology - Chapter 4 - The nephron - Abdallah Reda el Sayed

  55. Biology - Chapter 4 - Urine Extraction - Abdallah Reda el Sayed

  56. Biology - Chapter 4 - Liver's role in excretion - Abdallah Reda el Sayed

  57. Biology - Chapter 4 - The artificial kidney (hemodialysis) - Abdallah Reda el Sayed

  58. Biology - Chapter 4 - Excretion in plants - Abdallah Reda el Sayed

  59. Biology - Chapter 4 - Transpiration - Abdallah Reda el Sayed

  60. Biology - Chapter 4 - Experiment to illustrate traspiration - Abdallah Reda el Sayed

  61. Biology - Chapter 4 - Experiment to show water ascending in xylem - Abdallah Reda el Sayed

  62. Biology - Chapter 4 - Experiment to show water ascending by transpiration - Abdallah Reda el Sayed

  63. Biology - Chapter 5 - Intro: adjustment and coordination - Abdallah Reda el Sayed

  64. Biology - Chapter 5 - Response to touch and darkness - Abdallah Reda el Sayed

  65. Biology - Chapter 5 - Phototropism - Abdallah Reda el Sayed

  66. Biology - Chapter 5 - Geotropism - Abdallah Reda el Sayed

  67. Biology - Chapter 5 - Hydrotropism - Abdallah Reda el Sayed

  68. Biology - Chapter 5 - Nervous and hormonal coordination - Abdallah Reda el Sayed

  69. Nervous system - Chapter 5 - Biology - Edu4free

  70. The nerve cell / neuron - Chapter 5 - Biology - Edu4free

  71. Neuroglia and Nerve - Chapter 5 - Biology - edu4free

  72. Nerve impulse (with stopmotion) - Chapter 5 - Biology - edu4free

  73. Synapses (with stopmotion) - Chapter 5 - Biology - edu4free

  74. Brain structure - Chapter 5 - Biology - edu4free

  75. Spinal cord - Chapter 5 - Biology - edu4free

  76. The reflex arc (action) - Chapter 5 - Biology - edu4free

  77. Autonomic Nervous System - Chapter 5 - Biology - edu4free

  78. Discovering hormones - Chapter 6 - Biology - edu4free

  79. Characteristics of hormones- Chapter 6 - Biology - edu4free

  80. Types of glands - Chapter 6 - Biology - edu4free

  81. Adenohypophysis - Pituitary gland - Chapter 6 - Biology - edu4free

  82. Neurohypophysis - Pituitary gland - Chapter 6 - Biology - edu4free

  83. Thyroid gland - Chapter 6 - Biology - edu4free

  84. Parathyroid gland - Chapter 6 - Biology #edu4free

  85. Adrenal (suprarenal) glands - Chapter 6 - Biology #edu4free

  86. Pancreas - Chapter 6 - Biology #edu4free

  87. Sex glands (gonads) - Chapter 6 - Biology #edu4free

  88. Gastrointestinal hormones - Chapter 6 - Biology #edu4free

  89. Plasmodium Malaria - Alternation of Generations - Reproduction #biology #edu4free