How Does a Sponge Get Oxygen and Food?

Answer

Special cells called choanocytes, each with a collar which takes the food or little whip. The whip catches the food as it sways with the water and then, archaeocytes takes it to other sponge cells. After this, water is pulled into the spongocoel and out of the osculum. Oxygen is obtained from flowing water in the pores of a sponge and is absorbed right into the cells. The sponge can extract oxygen and food for all of its cells to stay alive and carry out other processes such as making new sponges and repairing cells.
Q&A Related to "How Does a Sponge Get Oxygen and Food?"
They depend on the constant waterflow of the ocean through their bodies to obtain food and oxygen and remove wastes.
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The pores, or tiny holes, in the skin of a sponge water in so that the sponge
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Sponges have a porous external surface, composed of small holes called ostia. When water passes through the ostia into the sponge's interior, it travels through canals to cells called
http://www.ehow.com/about_6577973_do-obtain-food-n...
Sponges do not have nervous, digestive or circulatory systems. Instead, most rely on maintaining a constant water flow through their bodies to obtain food, oxygen and remove wastes.
http://answers.yahoo.com/question/index?qid=201202...
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