Question

explain digestion in small intestine​

Answer 1

Answer:

The small intestine is where most chemical digestion takes place. Most of the digestive enzymes in the small intestine are secreted by the pancreas and enter the small intestine via the pancreatic duct. ... The three major classes of nutrients that undergo digestion are proteins, lipids (fats), and carbohydrates.

Explanation:

Answer 2

Answer :

Role of Small Intestine in Digestion

• It is the most important part where digestion of food gets completed
• It is approx 22 feet in length and it is arrange in coil like structure.
• Small intestine is the longest part of the alimentary canal.
• The length of small intestine is depend on our diet.
• Digestive Juices from the liver and pancreas reach the small intestine which help in digesting the semi - digested food (chyme) received from the stomach.
• The liver release bile juice which help to convert acidic medium into alkaline medium and also break the fats.
• The pancreas releases Pancreatic juice which break down carbohydrates, starch, protein, fat etc. with the help of three enzymes which are trypsin, lipase and amylase.
• Small intestine is divide into three main parts - Duodenum, jejunum and Ileum
• The complete digestion happen here in the jejunum
• With the help of duedum part the bile juice and pancreatic juice reach in small intestine.
• With the help of Ileum part the undigested food pass into large intestine (colon part).
• In small intestine medium is alkaline and found 7.1 to 8.2 pH generally
• pH - Power of hydrogen and it scale have 0-14 pH and 7 pH is neutral. When pH increase so the medium is alkaline and decrease so medium is acidic.