THORAX ABDOMEN AND PELVIS

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MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the the digestive organ that plays a key role in digestion and absorption of nutrients and is where 90% of nutrient absorption occurs?
A
pharynx
B
small intestines
C
large intestines
D
esophagus
E
stomach
Explanation: 

Detailed explanation-1: -The small intestine is the next location where digestion takes place. But unlike the stomach, which has minor absorptive property, 90% of food absorption occurs in the small intestine. The small intestine has three segments: the duodenum, the jejunum, and the ileum.

Detailed explanation-2: -Small Intestine (Small Bowel): Almost 20 feet long, the small intestine is the workhorse of the digestive system. It will continue to break down food with enzymes released by the pancreas and bile released from the liver.

Detailed explanation-3: -The small intestine has three parts: the duodenum, jejunum, and ileum. It helps to further digest food coming from the stomach. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so they can be used by the body.

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