Sentence Examples

  • These vessels are the nitrogenous excretory organs.
  • The excretory organs, the 5.
  • The excretory system is highly developed and opens at the posterior extremity by a paired muscular bladder.
  • The excretory system is epiblastic in its origin.
  • The excretory tubes, the nervous system, and the parenchyma and integument are continuous from one end of the worm to the other.