Chapter 199 of 2363 min read

Frog: morphology and anatomy

Why this is asked: A frog breathes through three different surfaces depending on where it is — lungs in air, moist skin (cutaneous respiration) while submerged or hibernating, and the buccal lining — but fertilisation stays external, in water, which is what NEET checks against the male's nuptial pad and vocal sac (mate-attracting features, not internal-fertilisation ones).

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Test yourself

•In the frog, the renal portal system is a special venous connection that acts to link:
•Which of the following statements is correct about the location of the male frog's copulatory pad?
•What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

Open this in the full syllabus view · Zoology

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