ANIMAL PHYSIOLOGY
CIRCULATION IN DIFFERENT ANIMALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The movement of substances from an area of higher concentration to an area of lower concentration is called ____
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spiracles
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diffusion
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oxygen
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lungs
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Explanation:
Detailed explanation-1: -Diffusion is defined as the net movement of molecules from an area of greater concentration to an area of lesser concentration. The molecules in a gas, a liquid or a solid are in constant motion due to their kinetic energy.
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