HUMAN NUTRITION

NUTRITION

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The major portion of all food ____ takes place in the duodenum.
A
ingestion
B
absorption
C
digestion
D
elimination
Explanation: 

Detailed explanation-1: -Final answer: Most of the digestion and absorption of food take place in the small intestine.

Detailed explanation-2: -The majority of chemical digestion occurs in the small intestine. Digested chyme from the stomach passes through the pylorus and into the duodenum.

Detailed explanation-3: -After foods mix with stomach acid, they move into the duodenum, where they mix with bile from the gallbladder and digestive juices from the pancreas. The absorption of vitamins, minerals, and other nutrients begins in the duodenum.

Detailed explanation-4: -Small intestine It is called small because it is about 3.5cm in diameter, but it is about 5m long to provide lots of area for absorption. Most of the chemical digestion of proteins, fats and carbohydrates is completed in the small intestine.

Detailed explanation-5: -When food moves into your duodenum, it mixes with digestive enzymes that your pancreas secretes. These enzymes break down the largest molecules of food, such as proteins and starches. They also neutralize stomach acid.

There is 1 question to complete.