The respiratory membrane is a combination of ________.
A) respiratory bronchioles and alveolar ducts
B) alveolar and capillary walls and their fused basement membranes
C) atria and alveolar sacs
D) respiratory bronchioles and alveolar sacs

Question

Quizplus · Accepted Answer

The respiratory membrane is the site of gas exchange in the lungs, and it is made up of the walls of the alveoli and capillaries along with their fused basement membranes. Option A includes only parts of the respiratory system, and option C specifies two specific parts of the respiratory system. Option D includes respiratory bronchioles, which are not part of the respiratory membrane. Therefore, the best choice is B.

The Respiratory Membrane Is a Combination of ________