1. Tardigrade
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  3. Biology
  4. Which one of the following is present in the integument of frog, but not in mammals?

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Q. Which one of the following is present in the integument of frog, but not in mammals?

Haryana PMTHaryana PMT 2007

Solution:

Mucous glands are present in the skin of frog which secrete mucus that makes the frogs skin slippery and moist and help in cutaneous respiration ie, gaseous exchange occurs through skin. In mammals, mucous glands are absent as skin is not respiratory.