Education

The respiratory system is an organ system associated with respiration (breathing) or gas exchange. In terrestrial vertebrates, the respiratory system is typically comprised of pharynx, larynx, bronchi, lungs and diaphragm. …

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement …

By ROBERT S. WOODWORTH, Ph.D. “Attention! ” shouts the officer as a preliminary to some more specific command, and the athletic starter calls out ” Ready! ” for the same …

The nervous system is a complex network of nerves and cells that transmit signals between different parts of the body. The components of the nervous system are the central nervous …

Study means to devote time and attention to gaining knowledge of an academic subject by means of books. It is to apply the mind to learning and understanding a subject …

If you are currently working in the information technology field, or you are hoping to enter the industry, you will be familiar with the concept of IT examinations. These exams …