The gizzard of earthworm is an organ of

A. secretion of slime

B. excretion

C. absorption of digested food

D. crushing the food

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  1. The direction of blood flow in the dorsal vessel of earthworm is
  2. Chetae are totally absent in
  3. The coelomic fluid in earthworm escapes through
  4. The enteronephric nephridia in earthworm are
  5. Which region in earthworm is the forest of nephridia ?
  6. In earthworm, the nephridia without neprostomes are
  7. The gizzard of earthworm is an organ of
  8. Chloragogen cells of Pheretima play a role very much like that of
  9. The cliteilum singulum in earthworm is formed by
  10. Annelids show advancement over the nematoda in having
  11. A skeleton like function during locomotion of Pheretima is performed by
  12. Structure typically represented in every segment of earthworm is
  13. In earthworm, the septal nephridia put their excretory discharge into
  14. Haemoglobin is dissolved in plasma is
  15. Which of the following statements is correct ?
  16. A chitinous lining in earthworm is found in
  17. Anticoagulant secreted by leech is
  18. In earthworm fertilisation occurs in
  19. Totally marine annelids belong to the
  20. Sperma thecae in earthworm are meant few
  21. The female genital aperture in earthworm is present ventrally on segment
  22. Nephrostomes are found in
  23. In earthworm testes are situated in the
  24. Blood glands in Earthworm are associated with
  25. The excretory organs of earthworm are
  26. Chromophil cells in earthworm are concerned with the secretion of
  27. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  28. In Pheretima, the blood glands are located
  29. The nitrogenous waste in earthworm consist of about
  30. In earthworm, the circular muscles are highly developed in