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Life Processes

Question

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What three features all respiratory organs have in common whether gills, lungs or skin?

Solution

Common features of respiratory organs (gills, lungs and skin).
(i) A large surface area to absorb sufficient oxygen.
(ii) Thin walls for easy exchange of respiratory gases by diffusion.
(iii) Rich blood supply for transport of gases.

Some More Questions From Life Processes Chapter

What processes would you consider essential for maintaining life?

From where do you get the energy to do work from?

Name the main modes of nutrition.

What are the modes of nutrition other than autotrophic nutrition?

What are the raw materials for photosynthesis?

What is the primary source of energy for all living beings?

Are there organisms that do not require water for photosynthesis?

What is holozoic nutrition?

What are enzymes?

Name the largest gland of the body.

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