Page 93 - Consciousness in the Cell
P. 93
HARUN YAHYA
A substance called a surfactant
facilitates the proper expansion of
lungs the alveoli, allowing them to fill
with air every time we take a
breath.
alveoli
coated with
surfactant
red blood cell
cross section
of an alveolus
membrane
of capillary O 2
CO 2
surfactant layer
91
