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Write the functions in brief in column I...

Write the functions in brief in column II, appropriate to the structures given in column I.

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(A) Nictitating membrane : It protects eyes while in water. Eyes are covered by nictitating membrane. (B) Tympanum : It is located on either side of eyes. It receives sound signals. (C) Copulatory pad : It is located in forelimb of male frog and helps to hold females during copulation.
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