Question

state role of following in human digestive system
(1) Digestive enzymes
(2)HCL
(3)Villi

Answer 1

villi is responsible for absorption of nutrients directly into blood

Answer 2

Digestive enzymes are an essential part of digestion. It helps to break down food into simpler molecules that can be easily absorbed by the human body. Gastric acid or stomach acid is fluid which helps in 'digestion'. It is composed of 'Hydrochloric acid', 'potassium chloride' and 'sodium chloride'. Villi are the finger like structure in our intestine which helps to absorb 'liquid' and 'nutrients' from the food.

Explanation:

All the 'three components' are essential for digestion failing of one will result in stomach cramps, diarrhea, gas and bloating.