Lungs of frog are: - Vidyadip

MCQ

Lungs of frog are:

A
Dense spongy
✓
Thin-walled flexible and hollow sac like
C
Thick-walled inelastic and hollow sac like
D
Thick-walled, inelastic solids

✓

Answer

Correct option: B.

Thin-walled flexible and hollow sac like

B

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