How Do Echinoderms Breathe?

Answer

On the ventral side of an echinoderm (say, a sea star, for example) there are hundreds of tiny feet arranged into rows on each appendage. These are called tube feet. By varying the internal water pressure, the echinoderm can extend and contract its tube feet for locomotion, food collection, and respiration.
Q&A Related to "How Do Echinoderms Breathe"
they breath through their skin. it's pretty cool!
http://wiki.answers.com/Q/How_do_echinoderms_breat...
Worms possess large, toothless mouths, but their mouths are only used for eating decaying plant and animal matter. Worms cannot breathe through their mouths; they also do not have
http://www.ehow.com/how-does_4566509_worms-breathe...
Echinoderms have gills on the surface of their skin for gas exchange.
http://www.chacha.com/question/how-do-echinoderms-...
1 Sit in one of the following positions: Lie on the back with knees bent. Sit erect on a chair, forward enough so genitals are off the chair. Keep your head, neck, and spine in one
http://www.wikihow.com/Do-Abdominal-Breathing
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