Where do most digestion and absorption occur in humans?
Answer and explanation
Correct answer: Small intestine
Most chemical digestion and absorption occur in the small intestine. It receives bile, pancreatic juice and intestinal juice, which complete the breakdown of carbohydrates, proteins and fats into simpler substances. Its long, folded lining contains villi that absorb nutrients into blood or lymph. The mouth begins digestion, the oesophagus transports food, and the large intestine mainly absorbs water; therefore, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Small intestine
Why is this the correct answer?
Most chemical digestion and absorption occur in the small intestine. It receives bile, pancreatic juice and intestinal juice, which complete the breakdown of carbohydrates, proteins and fats into simpler substances. Its long, folded lining contains villi that absorb nutrients into blood or lymph. The mouth begins digestion, the oesophagus transports food, and the large intestine mainly absorbs water; therefore, option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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