ANATOMY

Detailed explanation-1: -Feces: The undigested waste called feces is removed after digestion from the large intestine through the rectum.

Detailed explanation-2: -The large intestine (or colon, or large bowel) is the last structure to process food, taking the undigestible matter from the small intestine, absorbing water from it and leaving the waste product called feces. Feces are expelled from the body through the rectum and the anus.

Detailed explanation-3: -Overview. Excretion is the process of removing wastes and excess water from the body. Organs of the excretory system include the kidneys, large intestine, skin, and lungs.

Detailed explanation-4: -The major excretory organs include the lungs, which remove gaseous waste in the form of carbon dioxide; the skin, which removes waste in the form of sweat; the kidneys, which remove waste by filtering it from the bloodstream; and the large intestines, which remove waste in the form of feces.

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.