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Artery Vein Capillary
Large
amount,
especially in
arteries close
Elastic to heart. This
Small amount. Blood in veins at low pressure so no
tissue in allows wall None.
need for walls to be elastic.
wall to stretch
and recoil as
high pressure
blood pushes
through.
Relatively
large amount
in small…

Page 2

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would layers of
present more tissue. The
resistance to thin
blood flow. endotheliu
Intact m and
endothelium pores
decreases speeds up
the the
likelihood of exchange of
thrombosis substances
(blood clot) with the
forming. tissues.
No valves
accept those
in aorta and Veins have valves which allow blood to flow…

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