Alveoli - Diffusion in lungs

ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place CAPILLARIES are blood vessels in the walls of

Adaptations of the alveoli: · Large surface area - many alveoli are present in the lungs with a shape that further increases surface area · Thin walls

alveoli The alveoli are the site where oxygen enters the blood stream and carbon dioxide is removed From Los Angeles Times Over 300 million

alveoli The lungs are located in the chest cavity and are responsible for respiration The alveoli are small sir sacs where oxygen is exchanged in