Question

The exit of unabsorbed food material is regulated by:

• A. Liver
• B. Anus
• C. Small intestine
• D. Anal sphincter

Answer 1

The correct option is D

Anal sphincter

The correct option is D:

Explanation for the correct option:

1. It is basically a group of muscles which is present at the end of the rectum.
2. It will surround the anus controlling the release of the fecal matter.
3. Anal sphincter will regulate the unabsorbed food, which releases it in the small amounts into the small intestine.

Explanation for the incorrect options:

Option (A):

1. It is actually the largest gland of our body and is situated in the abdominal cavity below the diaphragm and consists of two lobes.
2. It break down the balances and create the nutrients for the metabolization.

Option (B):

1. It is actually an opening where the GIT will end and exit the body.
2. It starts from the colon of the large intestine and will end in the rectum of the large intestine.

Option (C):

1. It is the largest part of the GIT where the most digestion occur .
2. The absorption of the food will occur through the small finger-like structures which are known as villi.

Final answer: The exit of unabsorbed food material is regulated by anal sphincter.