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BIOL212

Majors animal: Anatomy of the sea cucumber (matching)

StructureFunction
Tentacles Food collection
Ring canal Portion of water vascular system encircling the junction of pharynx and stomach
Ampullae Provide hydraulic pressure for movement of tube feet
Pharynx Transports food from mouth to stomach
Madreporite Entrance to the water vascular system that serves as a pressure regulator; floats freely within the coelomic cavity and is not connected to the outer body wall
Stomach Extremely reduced in holothurians; site of food storage and initiation of digestion
Intestine Final digestion of food received from stomach and subsequent nutrient absorption
Gonad Produces gametes for reproduction
Tube feet Locomotion
Respiratory trees Gas exchange
Cloaca Pumps a ventilating current of seawater into and out of respiratory trees
Anus Regulates egestion of undigested food (feces) from the body
Created by: scandalouscanine