21. The hemolymph of the insect crystallizes and thickens. 22. An open circulatory system is made up of a heart, vessels, and hemolymph . 23. It is composed of a fluid plasma in which hemolymph cells called hemocytes are suspended. 24. Oxygen is absorbed into the hemolymph in the gills which provide the primary respiratory surface. 25. It attaches to the body of the bee and weakens the bee by sucking hemolymph . 26. Hemolymph contains molecules, ions and cells.27. Despite their name, these cells seem not to play a role in hemolymph coagulation. 28. The integument of the larvae is easily damaged and oozes hemolymph when it is injured. 29. The unfolded " pages " ( plates ) of the book lung are filled with hemolymph . 30. The hearts pump hemolymph into the sinuses of the hemocoel where exchanges of materials take place.
