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Small organisms, like a amoeba's, have large surface area : volume ratios which means the exchange can take place by diffusion through the cell wall, the same as any other single celled organsism.

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Where in the respiratory system does gas exhcange occur?

Gas exchange occurs in the alveoli in the respiratory system. The thin-walled structures allow diffusion of gases into and out of the capillaries.


Where does the exchange of gases occur in the plant?

During the stage of photosynthesis, the exchange of gases occur in the leaves.


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The respiratory system's role in energy metabolism lies is to allow the exchange of gases to take place in the lungs and tissue cells. Oxygen is needed for certain metabolic reactions to occur and for the production of energy.


What is required in all living things in order for gas exchange to occur?

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Where does gas exchange occur in the human respiratory system?

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What is the respiratory system of a jellyfish?

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When would mitosis occur in amoeba?

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