Structural Organisation In Animals Question 212
Question: The lungs in frogs are
Options:
A) Compact spongy masses
B) Thin-walled elastic, hollow bags
C) Thick-walled nonelastic, hollow bags
D) Thick-walled nonelastic solid masses
Show Answer
Answer:
Correct Answer: B
Solution:
The lungs of frog are two delicate, elastic, pinkish, ovoid, thin walled hollow sacs lying on either side of the oesophagus.