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  1. Introduction to Evolution and Natural Selection

  2. Ape Clarification

  3. Intelligent Design and Evolution

  4. Evolution Clarification

  5. Natural Selection and the Owl Butterfly

  6. DNA

  7. Variation in a Species

  8. Chromosomes, Chromatids, Chromatin, etc.

  9. Mitosis, Meiosis and Sexual Reproduction

  10. Phases of Mitosis

  11. Phases of Meiosis

  12. Embryonic Stem Cells

  13. Cancer

  14. Introduction to Heredity

  15. Punnett Square Fun

  16. Hardy-Weinberg Principle

  17. Sex-Linked Traits

  18. Bacteria

  19. Viruses

  20. ATP: Adenosine Triphosphate

  21. Introduction to Cellular Respiration

  22. Oxidation and Reduction Review From Biological Point-of-View

  23. Oxidation and Reduction in Cellular Respiration

  24. Glycolysis

  25. Krebs / Citric Acid Cycle

  26. Electron Transport Chain

  27. Oxidative Phosphorylation and Chemiosmosis

  28. Photosynthesis

  29. Photosynthesis: Light Reactions 1

  30. Photosynthesis: Light Reactions and Photophosphorylation

  31. Photosynthesis: Calvin Cycle

  32. Photorespiration

  33. C-4 Photosynthesis

  34. CAM Plants

  35. Parts of a cell

  36. Diffusion and Osmosis

  37. The Lungs and Pulmonary System

  38. Red blood cells

  39. Circulatory System and the Heart

  40. Hemoglobin

  41. Anatomy of a Neuron

  42. Sodium Potassium Pump

  43. Correction to Sodium and Potassium Pump Video

  44. Electrotonic and Action Potentials

  45. [Private Video]

  46. Neuronal Synapses (Chemical)

  47. Myosin and Actin

  48. Tropomyosin and troponin and their role in regulating muscle contraction

  49. Role of the Sarcoplasmic Reticulum in Muscle Cells

  50. Anatomy of a muscle cell

  51. Role of Phagocytes in Innate or Nonspecific Immunity

  52. Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated

  53. B Lymphocytes (B cells)

  54. Professional Antigen Presenting Cells (APC) and MHC II complexes

  55. Helper T Cells

  56. Cytotoxic T Cells

  57. Review of B cells, CD4+ T cells and CD8+ T cells

  58. Inflammatory Response

  59. The Kidney and Nephron

  60. Secondary Active Transport in the Nephron

  61. Species

  62. Taxonomy and the Tree of Life