What Is the Respiratory Tree?

Also called "scuba", the respiratory organ of sea cucumbers. A part of the end of the digestive tube extends into the body cavity, and then continuously branches in the body cavity to form a tree shape, so it is called a "breathing tree". In addition to breathing, it also has an excretory function.

Breathing tree

Right!
Also called "scuba", the respiratory organ of sea cucumbers. A part of the end of the digestive tube extends into the body cavity, and then continuously branches in the body cavity to form a tree shape, so it is called a "breathing tree". In addition to breathing, it also has an excretory function.
Chinese name
Breathing tree
Alias
Scuba
Shape
Dendritic
Features
Respiratory and excretory functions
The gastrointestinal tract of sea cucumbers has a long tubular shape, which folds back in the body, and expands into a cloaca at the end, thereby dividing out a pair of branched tree structures, called breathing trees or scubas, which are unique breathing and excretory organs of sea cucumbers. (General Zoology, Third Edition, edited by Liu Lingyun and Zheng Guangmei)

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