Why cameleon change colour?,

Agriculture on a large scale, Agriculture on a large scale: Crops had  ...

Agriculture on a large scale: Crops had  to  be  planted and  harvested in  the  right season. Floods were a recurrent phenomenon  in the river valleys, for which it was essent

Explain non-specific defence mechanism, Non-Specific Defence Mechanism ...

Non-Specific Defence Mechanism The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the e

Media and educational environment, Media and Educational Environment: S...

Media and Educational Environment: Some  recent technological developments  in media, have opened up new horizons. Besides, increasing use of media, to support and expand educa

Define physiology, The  term physiology -physio meaning native and logos ...

The  term physiology -physio meaning native and logos meaning discourse, is a Greek  word, a synonym for natural philosophy. As the evolutionary processes progressed, the need

Separating techniques, is salt separated by filtration

is salt separated by filtration

Explain bile pigments - constituents of bile, Explain Bile pigments - Const...

Explain Bile pigments - Constituents of Bile The red blood cells are broken down when they are old (life span of red blood cell is 120 days). They are taken up by the reticuloe

A compressed air pop-gun, A compressed air pop-gun Use a straight piece...

A compressed air pop-gun Use a straight piece of glass or plastic tubing of 1 or 2 cm in diameter and 15 or 20 cm in length. Make a piston by twisting some string on a pencil t

Define nerve cell, Define Nerve Cell The basic unit of the nervous syst...

Define Nerve Cell The basic unit of the nervous system as studied above, is the individual nerve cell - the neuron. The nerve cells operate by generating electrical signals and

Diffusion lab, it is with osmosis and diffusion what''s number 11

it is with osmosis and diffusion what''s number 11