Earthworm Excretory System at Anatomy

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Earthworm Excretory System. Nephridia are ectodermal in origin. The nephridia are the excretory organs of earthworm.

Diagram Earthworm Excretory System AflamNeeeak
Diagram Earthworm Excretory System AflamNeeeak from aflam-neeeak.blogspot.com

The nephridia are the excretory organs of earthworm. It consists of the blood vessel, heart, capillaries, and blood glands. In this type of system, the blood is confined to the heart and blood vessels.

Diagram Earthworm Excretory System AflamNeeeak

Septal nephridia a typical septal nephridium consists of nephrostome or ciliated funnel that drains coelom. The earthworms exhibit a closed type of blood vascular system; These are found, one pair, in each segment. In earthworm, excretion or excretory system is effected by minute paired tubes called nephridia.