Does a sponge have cephalization?

"Cephalization" means that the animal has a defined "head" region in which there is a lot of nervous tissue (such as the brain in humans). Sponges are not cephalized because they do not have defined...

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Water is brought through cilia-lined pores into the hollow cavity of the sponge. As water passes through the pores, the cilia trap oxygen to breathe

A human made sponge is called a sponge because humans used to use sea sponges.

A sponge has holes...ever hear of spongebob hahaBut Really...A sponge is a sea animal that goes through a cleaning process then being used for washing dishes or stains off of any other hard surface.:P