The tube foot
The tube foot
The structure in an echinoderm that is a bulb like sac and pushes what is called the ampulla. It is connected to the radial canal of the water-vascular system. Each ampulla controls tube feet. The tube feet can extend when water pressure is increased by the ampulla being squeezed. :)
A pluteus.
The outer part
A Group Of Starfish Is Called A Tird.
aspiration
They are commonly called suckers.
Between compressor suction and reversing valve,also called true suction.
Between compressor suction and reversing valve,also called true suction.
The procedure is also called dilation and evacuation (D and E), suction dilation, vacuum curettage, or suction curettage
Star fish is not a fish because it is an ''echinoderm''. It is an ''echinoderm'' because its body is divided into five parts and it has a spiny outer covering. It only is called a star''fish'' because it lives in water.
A doctor who operates on people is called a surgeon.