Assertion: Amphibians have thin moist, glandular and vascular skin.
Reason: Amphibians respire through their skin.
Answers
Answer:
Skin that is especially thin and moist is a defining characteristic of the majority of amphibians, whether a toad, frog or almost any other creature in between. The thin skin isn't without an important reason, however. It actually serves a very sophisticated and useful purpose that involves amphibians' respiratory functioning. Damp skin also serves its own important, hydration-related purpose.
Explanation:
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If both Assertion and Reason are true and Reason is correct explanation of Assertion
The given assertion is absolutely true. It is observed in amphibians to have thin moist, glandular, and vascular skin.
The given reason is also true.
The bulk of amphibians, whether toads, frogs, or practically any other species in between, have skin that is very thin and wet. However, there is a good rationale for the thin skin. It really has a highly complex and useful function that affects amphibians' respiratory systems. Damp skin provides a crucial hydration-related function as well.
The majority of amphibians breathe via their skin and lungs. They need their skin to be wet in order to absorb oxygen, thus they make mucus to keep it moist (If they get too dry, they cannot breathe and will die). Oxygen will enter blood vessels directly at the skin surface if it is absorbed via their skin.