Welcome to Westonci.ca, the ultimate question and answer platform. Get expert answers to your questions quickly and accurately. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

What occurs at the respiratory membrane?
a. Mucus removes debris.
b. Gas exchange between the air and blood takes place.
c. Macrophages accumulate to remove debris.
d. Gas exchange between the blood and tissues takes place.