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3.4 explain why the processes of diffusion and osmosis are inadequate in removing dissolved nitrogenous wastes
explain why the processes of diffusion and osmosis are inadequate in removing dissolved nitrogenous wastes
- Diffusion and osmosis are both examples of passive transport, relying on random movements of molecules. Diffusion is too slow for the normal functioning of the body and does not select for useful solutes. Osmosis only deals with the movement of water and thus would only allow water to move out of the body, not the nitrogenous wastes.