Anticoagulant secreted by leech is

A. Hirudin

B. Heparin

C. Haematin

D. Haemozoin

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  1. The direction of blood flow in the dorsal vessel of earthworm is
  2. In Pheretima, the blood glands are located
  3. Anticoagulant secreted by leech is
  4. Chloragogen cells of Pheretima play a role very much like that of
  5. The enteronephric nephridia in earthworm are
  6. Locomotion in Earthworm is directly facilitated by
  7. The dorsal blood vessel in earthworm is
  8. Haemoglobin is dissolved in plasma is
  9. The number of segments in leech is
  10. In earthworm, the septal nephridia put their excretory discharge into
  11. The coelomic fluid in earthworm escapes through
  12. 5. The pre-typhlosolar region in Pheretima extends from
  13. Copulation occurs between two earthworms
  14. The cliteilum singulum in earthworm is formed by
  15. Nereis is commonly called
  16. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  17. Which region in earthworm is the forest of nephridia ?
  18. Structure typically represented in every segment of earthworm is
  19. Earthworm is useful because it
  20. The nitrogenous waste in earthworm consist of about
  21. Nephrostomes are found in
  22. The coelom in Pherethna is
  23. The chloragogen cells of earthworm are analogous to
  24. Blood glands in Earthworm are associated with
  25. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  26. The excretory organs of earthworm are
  27. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  28. Annelids show advancement over the nematoda in having
  29. In earthworm, the first segment in which mouth is situated is known as
  30. Which of the following statements is correct ?