What is a sponges Circulatory System?

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What is a sponges Circulatory System?

None , Open , Closed?

2007-02-15 13:12:01 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Biology

2 answers

Sponges do not have a circulatory system. It doesn't need one. It takes in water from the surrounding and then out of the opening at the top. In that process, it bathes all its cells with the water to do all the gas and waste exchange.

2007-02-15 13:20:14 · answer #1 · answered by Ms. K. 3 · 0⤊ 0⤋

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RE:
What is a sponges Circulatory System?
None , Open , Closed?

2015-08-16 22:49:33 · answer #2 · answered by ? 1 · 0⤊ 0⤋

The holes

2007-02-15 13:15:01 · answer #3 · answered by Anonymous · 3⤊ 0⤋