...Most have branching tubes called respiratory trees attached to the intestine near the anus. Some species have branches called the tubules of Cuvier that are attached to or near the bases of the respiratory trees and are ejected when the organism is attacked. They swell and become sticky as they entangle the predator. Many sea cucumbers eject their internal organs when they get irritated and later regenerate a new set..
Sea Cucumbers - "most versatile anus" - Candy Cane
30 May 2007 @ 12:47 pm
Sea Cucumbers - "most versatile anus"