how waste diffuse out from body of sponge and hydra
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Sponges and hydra live in water and do not have blood or any circulatory system. ... In simple multicellular organisms like Hydra, the transportation of material from cell to cell takes place through simple diffusion. Sponges have water transport system or canal system that helps in transportation of materials.
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Animals such as sponges and Hydra do not posses any circulatory system. The water in which they live brings food andoxygen as it enters their bodies. The water carries away waste materials and carbon dioxide as it moves out.Carbon dioxideis removed as waste from the body through the during exhalation.
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