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What is the function of the ring canal in starfish?
Holds all limbs together
Why are starfish hard to pull of rocks?
Echinoderms (which include starfish) have a water vascular system associated with movement in some species and feeding in others. Water is pumped around the system through the ring canal, lateral canals, radial canals, ampulla, podium and to the sucker feet. This water vascular system has a vacuum effect allowing the starfish to suction its many feet to the substrate and release them at its own will.
How many circular canals do starfish have?
13 I'm pretty sure
How does starfish move?
Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals. The radial canals carry water to the ampullae and provide suction to the tube feet. The tube feet latch on to surfaces and move in a wave, with one body section attaching to the surfaces as another releases.
What is the function of the central disk on the starfish?
The function of the central disk on the starfish is to regrow an appendage if one is cut off. It is where the arms of the starfish originate.
How many radial canals does the starfish have?
The radial canals carry water to the ampullae and provide suction to the tube feet.
What is the function of stone canal in water vascular system in see star?
the stone canal connects the madreporite to the ring canal and the ring canal allows water to flow into the radial canals, just tubes...
What is the function of the anus in starfish?
To poop.
What is the function of the ambulacral groove?
The function of the ambulacral groove on a starfish is to open the shells of bivalves. It also hold the tubed feet of the starfish.
What is the function of the anus of a starfish?
dont care
What early river valley civilization structure has similar function of a modern sprinkler system?
canals
What is the ambulacral ridge of a starfish?
It is the part that extends from the ring canal, all the way to the tip of the starfish. It's under the gonad.
