what is cecum?
The cecum is the first section of the large intestine. In humans, it does not serve a specific purpose, and it is possible for a human to live without a... The cecum is the first section of the large intestine. In humans, it does not serve a specific purpose, and it is possible for a human to live without a cecum. The appendix connects to the cecum. Like the cecum, the appendix is not necessary for healthy digestive function in humans. The cecum and appendix are the regions of the large intestine least vulnerable to colon cancer, but cancers in these areas are more difficult to detect than the more common forms of colon cancer.