What Is The Excretory Structure Of Earthworm?
What Is The Excretory Structure Of Earthworm? Earthworms (annelids What is the structure of excretory? The human excretory system comprises of the following structures: two bean-shaped kidneys, two ureters, one urinary bladder, and one urethra. Kidneys are the main organ of the human excretory system. The kidneys are paired organs and are located one on