To filter the air we breathe, the mucous membrane of the windpipe or airways produces a thick liquid substance. This is known as flem.  The production of Flem increases when there is an infection in the respiratory tract. Flem contains the pathogens causing the infection such as bacteria, virus or ...

Colon or large intestine is the part of digestive system responsible for the re-absorption of water and salts from solid waste formed after digestion before it gets eliminated from the body.  Usually the peristaltic movement of the large intestine ensures the elimination of waste from the body 16-24 hours of ...

Asthma is a common disease which affects the airways of the people. Airways carry air to and from the lungs. When the walls of the airways get inflamed or swollen it becomes narrower and allows the less amount of air to pass through it. This will cause a wheezing sound ...