Q. in a typical multicellular animal, the circulatory system interacts with various specialized surfaces in order to exchange materials with the exterior environment. Which of the following is not an example of such an exchange surface?
(I). skin
(II). intestine
(III). muscle
(IV). lung
(V). kidney

 1923  229 Breathing and Exchange of Gases Report Error

Solution:

Correct answer is (c) Only (III) is correct