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Class 10ScienceWorld of LivingLife ProcessesExpertLevel 22
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What is the combined advantage of many alveoli and their thin walls?

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Answer and explanation

Correct answer: Fast and effective gas exchange

Step 1: Many alveoli provide a large surface area. Step 2: Thin walls reduce diffusion distance for gases. Step 3: This makes oxygen and carbon dioxide exchange effective.

Related tags

AlveoliGas-ExchangeSurface-Area

Frequently asked questions

What is the correct answer to this question?

Fast and effective gas exchange

Why is this the correct answer?

Step 1: Many alveoli provide a large surface area. Step 2: Thin walls reduce diffusion distance for gases. Step 3: This makes oxygen and carbon dioxide exchange effective.

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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10 more MCQs
  1. 1What is the main meaning of life processes?
  2. 2What are organisms that make their own food called?
  3. 3What are organisms that depend on other organisms for food called?
  4. 4Which energy do green plants use in the process of making food?
  5. 5Which gas do plants mainly take in during photosynthesis?
  6. 6Which gas do plants release during photosynthesis?
  7. 7What is the green substance in leaves that helps capture light called?
  8. 8What are the tiny pores in leaves through which gases are exchanged called?
  9. 9Which cells control the opening and closing of stomata?
  10. 10Where does digestion of food normally begin in humans?
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