| 11. | :Biological-many arthropods use hemolymph to circulate oxygen and nutrients.
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| 12. | There are at least four types of hemocytes, or hemolymph cells.
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| 13. | Arthropods, using hemolymph, have hemocytes as part of their immune system.
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| 14. | Arthropod hemolymph contains high levels of free amino acids.
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| 15. | Proteins present in the hemolymph vary in quantity during the course of development.
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| 16. | Spiders and whipscorpions extend their limbs hydraulically using the pressure of their hemolymph.
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| 17. | :The equivalent of blood in insects is hemolymph.
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| 18. | In some species, hemolymph has other uses than just being a blood analogue.
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| 19. | Embryonic hemocytes are derived from head mesoderm and enter the hemolymph as circulating cells.
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| 20. | Hemolymph smears showed the ciliates of the parasite.
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