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Contents
Blood Vessels
What blood vessels do
Arteries
Veins
Capillaries
Summary quiz
* of 29 © Boardworks Ltd 2004…read more

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What blood vessels do
We can get an idea of what they could look like from
considering the job they have to do.
Let us look at a small section of the circulatory system.
There seems to be 3 types of blood vessel present.
one joins the
other two
together
Lungs
one takes
blood away
from the one takes
heart blood to the
heart
* of 29 © Boardworks Ltd 2004…read more

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Three broad types of vessels
1.
Blood vessels that take blood away from
the heart are known as ARTERIES.
Remember, arteries (away)
2.
Blood vessels that take blood back to
the heart are known as VEINS.
Remember, veins (into the heart)
* of 29 © Boardworks Ltd 2004…read more

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and in between...
3. Finally, if arteries take blood away from the
heart and veins take blood back to the heart,
when does an artery turn into a vein?
Well, our third type of blood vessel links the two.
We find it present where an artery finishes and a
vein is about to begin.
This third type of blood vessel
is known as a CAPILLARY.
* of 29 © Boardworks Ltd 2004…read more

Slide 6

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Contents
Blood Vessels
What blood vessels do
Arteries
Veins
Capillaries
Summary quiz
* of 29 © Boardworks Ltd 2004…read more

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