Why is it important for an internal combustion engine to have a cooling system?

Internal combustion engines remove waste heat through cool intake air, hot exhaust gases, and explicit engine cooling. ... Thus, all heat engines need cooling to operate. Cooling is also needed because high temperatures damage engine materials and lubricants and becomes even more important in hot climates.

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.