Elements and Atoms (3:31)
Quantum Mechanical Model (3:52)
Atomic Number, Mass, and Moles (3:22)
Covalent and Ionic Bonds (2:54)
Compounds and Mixtures (1:35)
Parts of the Immune System (4:17)
How the Immune System Works (5:33)
Autoimmune Diseases (4:21)
T-Cells and HIV/AIDS (3:54)
Killer T-cells and MS (2:31)
Vaccines and Antibiotics (3:39)