ANATOMY

Detailed explanation-1: -The large intestine absorbs water and changes the waste from liquid into stool. Peristalsis helps move the stool into your rectum. Rectum. The lower end of your large intestine, the rectum, stores stool until it pushes stool out of your anus during a bowel movement.

Detailed explanation-2: -Rectum. The rectum is a straight, 8-inch chamber that connects the colon to the anus. The rectum’s job is to receive stool from the colon, let you know that there is stool to be evacuated (pooped out) and to hold the stool until evacuation happens.

Detailed explanation-3: -The large intestine ends in a short tube called the rectum. Here, the waste is compressed into solid form. The solid waste is then eliminated from the body through the anus, a muscular opening at the end of the rectum.

Detailed explanation-4: -Bacteria in the colon help to digest the remaining food products. The rectum is where feces are stored until they leave the digestive system through the anus as a bowel movement.

Detailed explanation-5: -The body expels waste products from digestion through the rectum and anus. This process, called defecation, involves contraction of rectal muscles, relaxation of the internal anal sphincter, and an initial contraction of the skeletal muscle of the external anal sphincter.