This informative chart in brilliant colours shows the cross section of nose with all its internal details. In addition, this chart also features enlarged olfactory area with mucus secreting cells.

The exciting presentation of the entire tongue in three- dimensional representation captures students' attention. A comprehensive study of different areas in a tongue where with the help of taste budys the four different tastes can be identified is clearly projected.

This generalized chat with attractive landscape brings an awareness of environmental pollution through water. The causal factors of water pollution by human activates, unhygienic conditions and industrial effluents are artistically represented with clear conceptual clarity.

A valuable addition to environmental pollution to environmental pollution through the component of Air is depicted with meaningful illutrations of Acid Rain, Vehiculr Exhauss, Industrial Wastes, Nuclear explosion Municipal Garbage, Sewage, Fertilizers etc.

The constant exchange of water be3tween sea, land and atmosphere is depicted in a cyclic process. In additon the percolation of rainwater int the soil, and the seepage of water from rivers and lakes into the ground water affecting the water table is well depicted.