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Functionwise, just as there are nephridia in an earthworm, so are
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- parotid glands in toad
- statocysts in prawn
- flame cells in liver fluke
- myotomes in fish
Correct Option: C
Toads possess a pair of large parotid glands behind the tympana. They produce a milky poisonous fluid. Statocysts are the organs of equilibrium and sensory perception located at the base of antennae. Flame cells in liver fluke are the excretory organs.