OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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*This is the scientific name for the structure in the water vascular system which has two parts:the ampullae and tube foot
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Stone canal
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Podia
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Madreporite
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Lateral canal
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Explanation:
Detailed explanation-1: -Other terms sometimes used to refer to the water vascular system are “ambulacral system” and “aquiferous system".
Detailed explanation-2: -Each tube foot consists of two parts: the ampulla and the podium. The ampulla is a water-filled sac contained in the body of the animal that contains both circular muscles and longitudinal muscle. The podium is the tube-shaped structure that protrudes from the body and contains longitudinal muscle only.
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