Page 227 - The Miracle of the Blood and Heart
P. 227
Blood Vessels: A Flawless
Transportation Network
and capillaries. The veins carry so much blood, as stated ear-
lier, thanks to their blood-storage duty.
The level of blood in the capillaries, on the other hand, is
rather low compared to their work. There is a constantly con-
trolled flow of materials to these fine blood vessels.
When the body begins to lose blood, and when blood pres-
sure begins to fall, pressure reflexes arise in various parts of
Veins are able to carry three times
more blood than do the arteries and
capillaries, thanks to their special
structure.
Jugular vein
Carotid artery Subclavian artery
Subclavian vein
Superior vena cava Pulmonary artery
Pulmonary vein
Inferior vena
cava Aorta
Mesenteric vein
Renal vein
Mesenteric artery
Renal artery
Common Common
iliac iliac vein
artery
Femoral artery Femoral vein
Great saphenous
vein
Adnan
Oktar
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