Question

write one function of the following in human digestive system:
a hydrochloric acid
b villi​

Answer 1

Explanation:

a) hydrochloric acid- It plays a major role in the process of digestion, stomach contains HCl which helps to digest the food which we eat by secreting enzymes.

b) Villi- Villi is a small finger like projections which is found in our small intestine, villi increases the surface area and helps to absorb water and minerals from the food.

Answer 2

Answer:

(a) Hydrochloric Acid is an acid present in stomach which breaks down the food after the food reaches stomach.

(b) Villi are the small finger like projections found in smaller intestines. Its function is to absorb nutrients from the food that is passed to it. It sends the waste to the larger intestine where water is absorbed from it and is passed to anus and is excreted from body.