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Do sponges need body systems?

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Since the sponge has no organ system, it has no respiratory or circulatory system. They acquire oxygen by diffusing from the water flowing through their bodies, and waste is expelled by diffusing into the same puddle. 11th. 2015 г.



Why doesn't the sponge need a body system?

The sponge has no internal organs. They have no muscles, nervous system, or circulatory system. The walls are lined with many small pores called pits that allow water to flow into the sponge. .. Sponge can obtain microorganisms such as algae and bacteria as food from the opening.

Does the sponge need a circulatory system?

The sponge has no nervous system, digestive system, or circulatory system. Instead, most people rely on maintaining a constant stream of water through their bodies to get food and oxygen and get rid of waste products.

How does a sponge work without organs?

Most of them have no symmetry. Some of those cells do a special job, but the sponge lacks tissues and organs. .. It is the key to the survival of the sponge, as moving water carries food and removes waste products. Water enters the small pores of the sponge's entire body.

Does the sponge have organs or systems?

The sponge has no organs or organ system. They don't even have tissue, but they are organized only at the cellular level.

Do sponges need body systems?

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