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Natural Selection, Species Isolation and Real World Example

By: HWC, Views: 7155

`Natural selection' is the process in which organisms with adaptive traits survive and breed in greater number than organisms without such traits. Eventually, almost all of the individuals in the population will have the same adaptive trait. This was the concept presented by Charles Darwin in ...

Interview with Person who has Schizophrenia

By: Administrator, Views: 11257

Schizophrenia is a mental disorder characterized by abnormal behavior, strange speech, and a decreased ability to understand reality. Other symptoms include false beliefs, unclear or confused thinking, hearing voices that do not exist, reduced social engagement and emotional expression, and lack ...

Multiple Sclerosis Animation

By: Administrator, Views: 10964

Multiple sclerosis (MS) is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged. This damage disrupts the ability of parts of the nervous system to communicate, resulting in a range of signs and symptoms, including physical, mental, and so...

Introduction to Herpes

By: Administrator, Views: 11028

Herpes simplex is a viral infection caused by the herpes simplex virus. Infections are categorized based on the part of the body infected. Oral herpes involves the face or mouth. It may result in small blisters in groups often called cold sores or fever blisters or may just cause a sore throat. G...

The Vestibular System

By: HWC, Views: 6922

The vestibular system has important sensory and motor functions, contributing to the perception of self-motion, head position, and spatial orientation relative to gravity. The function of the vestibular system can be simplified by remembering some basic terminology of classical mechanics. All ...