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.
What Is A Communicable Disease Chain Essays and Research Papers. 1  What Is A Communicable Disease Chain Introduction A communicable disease is a disease that is transmitted through direct contact with an infected... individual or indirectly through a vector. It is also called a contagious disease (Communicable Disease , 2010).