"digital+slides"

Examine cellular division

Investigate symbiosis between organisms

Central Nervous System

Ectoparasite

100-hour timer has four countdown channels, time-of-day clock, and stopwatch.

Human Parasite.

Green Algae Reproduction

Investigate the Structure of an Earthworm.

Angiosperm Reproduction

Intestinal Parasite

Innervation within the Gut

Mammalian Reproductive Structure

Illustrates Liver Fluke Structure

Microcomputer chip permits setting four separate channels for simultaneous countup or countdown procedures.

Ectoparasite

Sporocysts and cercariae in snail tissue.