This 6-minute video lesson looks at human prehistory and the human migrations …
This 6-minute video lesson looks at human prehistory and the human migrations from Africa to Asia and other parts of the world. [Biology playlist: Lesson 64 of 71
This 6-minute video looks at human prehistory through the ice age. It …
This 6-minute video looks at human prehistory through the ice age. It discusses the migrations from Asia into North and South America. [Biology playlist: Lesson 65 of 71]
This 16-minute video lesson looks at how one neuron can stimulate (or …
This 16-minute video lesson looks at how one neuron can stimulate (or inhibit) another neuron at a chemical synapse. [Biology playlist: Lesson 46 of 71].
This 17-minute video lesson looks at oxidation and reduction in cellular respiration. …
This 17-minute video lesson looks at oxidation and reduction in cellular respiration. It Reconciles the biology and chemistry definitions of oxidation and reduction. [Biology playlist: Lesson 23 of 71].
This 5-minute video lecture looks at oxidative phosphorylation and chemiosmosis (along with …
This 5-minute video lecture looks at oxidative phosphorylation and chemiosmosis (along with slight correction of previous video). [Biology playlist: Lesson 27 of 71].
This 12-minute video lesson looks at how professional antigen presenting cells present …
This 12-minute video lesson looks at how professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes). [Biology playlist: Lesson 54 of 71].
This 16-minute video lesson looks at the role of phagocytes in innate …
This 16-minute video lesson looks at the role of phagocytes in innate or nonspecific immunity. It also discusses neutrophils, macrophages, and dendritic cells. MHC II. [Biology playlist: Lesson 51 of 71].
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