The lining of the colon is different from the small intestine in that there exists a large number of mucous cells that do not secrete enzymes but rather mucous. The mucous helps protect the wall from the bacterial fermentation inside. About 1.5 L of liquid digestive contents, chyme, pass into the colon.
Cancers are one category of non-communicable diseases that cannot be spread to others. Chicken pox and other conditions caused by viruses are communicable diseases. Non-infectious diseases involving the respiratory system are a class of non-communicable conditions.
Four commonly seen non-communicable genetic disorders/diseases include: 1  Tay-Sachs Disease-a recessive gene disorder leading to progressive deterioration of nerve cells and of mental and physical abilities that commences around six months of age and usually results in death by the age of four.ome of the key definitions related to non-communicable diseases include. 1  Epidemiological Transition-the notion that patterns of disease are fluid and will continue to evolve in the future. 2  Health Screenings-testing individuals before they develop symptoms or the disease itself.