Instructional Video7:59
Professor Dave Explains

B Cells and Antibodies (Humoral Immunity)

9th - Higher Ed
With T cells thoroughly covered, let's move on to B cells and antibodies, which are the central elements of humoral immunity. How do B cells develop? What are antibodies, how many kinds are there, and what do they do? Let's get a quick...
Instructional Video14:54
Professor Dave Explains

Structure and Immune Function of the Lymphatic System

12th - Higher Ed
With some basics out of the way, we are ready to get a sense of the overall structure of the immune system. That will mean looking at the lymphatic system. We already looked at this system in the context of its involvement in the...
Instructional Video
Khan Academy

Khan Academy: Cellular Specialization Differentiation

9th - 10th
Review the principles of cell specialization and find out how differentiation allows multicellular organisms develop. [8:31]
Instructional Video
Bozeman Science

Bozeman Science: Cell Cycle, Mitosis and Meiosis

9th - 10th
Paul Andersen explains how the cell cycle is used to create new cells. The creation of identical diploid daughter cells, through mitosis, is described. The creation of unique haploid daughter cells, through meiosis is also described....