... popular genetic cause for Hirschsprung disease is an alteration in the RET gene. This gene has a very important task of creating protein, this protein is essential for a good development of many different types of cells, without a good amount of protein entering the enteric nerve cells, the cells are not able to function correctly which will not allow the colon to move stool normally causing fecal material obstruction. To add ... sick from this illness. The Ostomy surgery consists of taking away the unhealthy section of the large intestine. The healthy end of the intestine is moved to a...

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• Grade Level: Undergraduate

... in contact with the food products. Where the ileum joins the large intestine is a valve, called the ileocecal valve, which prevents the back flow of materials into the small intestine. By the time material reaches this point, it has a rather pasty consistency. The parts of the food that can't be digested get pushed into the large intestine, also called the colon. It is about 5 feet long. Its function is to move the waste from the small intestine on to the rectum. The material first ... passes through the ascending colon ... ...

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• Grade Level: High School

... from problems with our pancreas, to bladder dangers. This section will explain the different parts of the excretory system and what it is used for. Components of the Excretory System: Anatomy: For the human body to survive and function properly it must receive food. The food is broken down by chewing, done in the mouth, by the teeth. After the food is broken into particles, it is mixed with saliva, and ... is taken out of the body as urine through the urethra of each human's excretion organ. Intestine: The intestine is the part of the body found in-between the stomach and the anus which...

• Word Count: 2165
• Approx Pages: 9
• Grade Level: High School