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Any vein, Artery or cappillary can be classed as a blood vessel as they all carry blood around the body. To be considered an artery the blood vessel must carry blood away from the heart. To be considered a Vein the blood vessel must carry blood towards the heart. A cappillery is an incredibly small blood vessel, it has walls thin enough to allow gasses to pass through, from the blood, to the body and vice versa. NB:- Most veins carry de-oxygenated and most arteries carry oxygenated blood. However, this is not allways the case. For example, the pulmonary vein carries oxygenated blood from the lungs to the Heart. Also, the Pulmonary artery carries de-oxygenated blood from the heart to the lungs. hope this helps
What else can I help you with?
Blood vessels so small that bloode cells move though them in single file?
The blood vessels you speak of are called capillaries (I think)
What describe the operation of the heart and blood vessels?
Prokaryotic cells that transport oxygen to other cells in the body. what the discription of bloode vessels
What does white bloode cells do?
They fight of diseases
What is the description of the capillaries?
the smallest blood vessels
Are Sponges Cold Blooded?
yes they are cold bloode
How much bloode does the heart pump in a lifetime?
it depends on what you do in life l:-?
Are great white sharks warm bloode or cold blooded?
warm blooded it said on the discovery
Is the glaucus atlanticus cold blooded?
yes. there are cold bloode
Are cougars warm bloode or cold blooded?
Cougars are warm blooded, like all mammals.
Why do dugongs live where they live?
they dont i swam with them before and the water was freezing!
Is a snowy owl cold blooded or warm bloode?
All owls are warm blooded. In fact all birds are.
Description of Panama Canal?
A non-sealevel interoceanic canal designed to take all vessels known at the time of building.
