It is the appendix.
They are villi.
Because of the villi
They are called villi.Also there are micro villi on villi.
Microvilli for increase surface area for absorption
stomach
villi
Probably you refer to polyps, which are abnormal growths and can be dangerous.
Villi and microvilli
The structure found in the inner layer of the small intestine is called the villi. Villi are small finger-like projections that increase the surface area of the small intestine, aiding in the absorption of nutrients.
The small intestine contains villi. Villi are small finger-like projections on the inner lining of the small intestine that help increase the surface area for absorption of nutrients.
The finger-like structures covering the inner lining of the small intestine are called villi. Villi are specialized structures that increase the surface area of the small intestine, allowing for better absorption of nutrients from digested food into the bloodstream. These structures play a crucial role in the process of digestion and nutrient absorption.
The digested food will go to the inner wall and it will carry to the bloodstream