Page 57 - The Miracle of the Blood and Heart

Oxygenated
blood
Pulmonary
Oxygen- arteriole Pulmonary
depleted blood (O is low) venule (car-
2
rying a
large quan-
tity of O )
2
Bronchiole

Alveolar
gap
Alveolus

When the tissues need
oxygen, the Haldane Air
effect allows hemoglobin
to release oxygen and
Oxygen transported
bind with carbon dioxide
by the red blood
molecules. In the lungs, cells’ hemoglobin
passes from the
the Haldane effect
alveolus to the cap-
exhibits the exact oppo- illary. Carbon diox-
ide passes from the
site transfer, and the
capillary to the alve-
sites where hemoglobin olus.
exchanges oxygen and
carbon dioxide are
determined with perfect
sensitivity.
Adnan
Oktar

55