Traces the course of alcohol through the body until it either oxidizes or escapes, and shows the effects of alcohol on the brain. Dramatizes the …

Shows the life cycle and methods of treatment for infection by Ascaris lumbricoides, a human parasitic worm, and the sanitary steps needed to prevent infection. keywords: nematode, …

Explains gross & detailed structure of human eye. Briefly describes how light waves are refracted by lens of eye & focused on the retina. Emphasizes …