shadow-casting
Deposition of a film of carbon or certain metals such as palladium, platinum, or chromium on a contoured microscopic object in order to allow the object to be seen in relief with the electron microscope or sometimes with the light microscope.
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...