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2805107
The Heart and Circulation
Description
All about GCSE Biology, Section B3.2
No tags specified
heart
circulation
veins
arteries
capillaries
tissue
valves
Mind Map by
James Vyvyan
, updated more than 1 year ago
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Created by
victoirespongecake21
almost 9 years ago
Copied by
James Vyvyan
almost 9 years ago
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Resource summary
The Heart and Circulation
The Heart is mainly made up of muscle tissue
An ARTERY is a blood vessel carrying blood AWAY from the heart.
A vein is a blood vessel carrying blood towards the heart
A capillary is a very small blood vessel, very thin to allow substances to move in and out
It contains valves to make the blood flow throughout the chambers without backflow
A double circulatory system is when blood travels through the heart twice as it flows through the body
The difference between ARTERIES and VEINS is that....
VEINS - Have a valve, thinner muscles and walls, carries detox blood
ARTERIES - Uses elastic pumps, the recoil keeps pressure high, carries ox blood
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