Alveoli are the part of the human respiratory system where
actual oxygen exchange takes place.
Alveoli are
tiny sacs within our lungs that allow oxygen and carbon dioxide to move between
the lungs and bloodstream. Learn more about how they function and quiz your
knowledge at the end.
The correct answer between all
the choices given is the last choice or letter D. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
