Biology, asked by riitik7587, 1 year ago

Animals like sponges and hydra do not have blood so how they circulate food and oxygen

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Answered by khushboomalik

Animals like sponges and hydra donot posses any circulatory system.The water in which they live when enters their body bring food and oxygen to their bodies and when this water leaves their body it carries out the waste material with it out of their body.

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