The small intestine

Here are 10 One-Word Answer Type Questions from the topic The Small Intestine (from your provided PDF), with answers and explanations after each question as requested:

One-Word Answer Type Questions

Topic: The Small Intestine

1. Question: Which organ is the longest part of the human digestive system?

• Answer: Small intestine

• Explanation: The small intestine is the longest part of the alimentary canal, about 7.5 metres long.

2. Question: Which gland secretes bile that helps in digestion in the small intestine?

• Answer: Liver

• Explanation: The liver secretes bile juice, which is stored in the gallbladder and helps in digesting fats in the small intestine.

3. Question: Which gland secretes pancreatic juice into the small intestine?

• Answer: Pancreas

• Explanation: The pancreas secretes pancreatic juice that helps in the digestion of carbohydrates, proteins, and fats.

4. Question: What is the finger-like projection in the small intestine called?

• Answer: Villi

• Explanation: Villi are small finger-like projections in the inner wall of the small intestine that help in absorbing digested food.

5. Question: What is the main function of the small intestine?

• Answer: Absorption

• Explanation: The main function of the small intestine is to absorb nutrients from the digested food.

6. Question: Into which blood vessels are nutrients absorbed from the small intestine?

• Answer: Capillaries

• Explanation: Capillaries present in the villi of the small intestine absorb digested nutrients into the bloodstream.

7. Question: What is the process of nutrient uptake by villi called?

• Answer: Absorption

• Explanation: Absorption is the process by which digested food passes into the blood through the walls of the small intestine.

8. Question: What juice is secreted by the walls of the small intestine?

• Answer: Intestinal

• Explanation: Intestinal juice is secreted by the small intestine to complete digestion.

9. Question: What is the process of using absorbed food for energy and growth called?

• Answer: Assimilation

• Explanation: Assimilation is the process where absorbed nutrients are used by body cells for energy and growth.

10. Question: Which organ receives food from the stomach?

• Answer: Small intestine

• Explanation: The small intestine receives partially digested food from the stomach for further digestion and absorption.

If you want, I can now prepare the next set from The Large Intestine in the same format.

Shall I proceed?


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