MEDICAL
RECTUM AND ANUS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
villi
|
|
|
anus
|
|
|
rectum
|
|
|
None of the above
|
Detailed explanation-1: -The finger-like projections found on the surface of the small intestine is known as villi. Villi increases the surface area of the small intestine to absorb the nutrients. Each villus is approximately 0.5-1.6 mm in length. Villi also help the intestines to move food along the digestive pathways.
Detailed explanation-2: -Microvilli: The cells on the villi are packed full of tiny hairlike structures called microvilli. This helps increase the surface of each individual cell, meaning that each cell can absorb more nutrients.
Detailed explanation-3: -Villi are small finger-like projections found in the inner linings of small inestine. These micro structures play a major role in increasing the surface area for absorption of nutrients during the process of digestion.