The Immune System
This program examines how the human immune system defends the body against disease-causing invaders—and how in some cases its antigen-fighting capabilities can be turned against the bodily cells it protects. Topics include the elements of the immu...
Human Development and the Reproductive System
This program traces the development of a human being from conception to full-term fetus, with a focus on the functions of the male and female reproductive systems. The three stages of development in the womb—pre-embryonic, embryonic, and fetal, ge...
Cells, Tissues, and Skin
After an introductory segment on cell characteristics, this program discusses the way human body cells function and combine into the structures that sustain life. Topics include membrane permeability and the processes of passive and active transport...
The Respiratory System
Following an opening segment on the importance of oxygen to the human body, this program studies the structure and function of the respiratory system. Topics include the anatomy of the upper respiratory tract, the lower respiratory tract, and the al...