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Blood vessels
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- PEARSON (PEARSON)
Information about veins, arteries and capillaries, with diagrams
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Blood vessels ArteriesVeins Arteries carry oxygenated blood from
Veins carry de-oxygenated blood back your heart and around your body.
towards your heart. Arteries have strong muscular walls and
Veins make up an extensive network of a high pressure.
blood vessels that wind their way through Arteries start branching out from your
the entire body. aorta, which gets blood from your
Some veins contain a one-way valve to keep heart. Arteries continue to branch out
the blood flowing in the right direction. into smaller and smaller vessels going
all through your body.
Veins have thinner and less muscular walls,
they have a lower level of pressure.
Capillaries
Capillaries connect the arteries
and veins.
Capillaries are delicate blood
vessels that exist throughout
your body. They transport
blood, nutrients and oxygen to
cells in your organs and body
systems. Capillaries are the
smallest blood vessels in your
vascular system
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