Question

Draw a labelled diagram of human digestive system and state the role of the following: (i) Hydrochloric acid (ii) Villi. please. contact 8746831322 this number if the answer get​

Answer 1

Answer:

i. The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria. The mucus covers the stomach wall with a protective coating

ii. The structure of the small intestine is designed for absorption of nutrients. The inside of the small intestine is lined with villi that absorb nutrients from the liquid mixture called chyme produced in the stomach from the food we eat.