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GCSE BIOlOGY
Organisation
Coronary Heart Disease
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Coronary heart disease
A
non-communicable
disease that affects the
heart
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Non-communicable diseases
They
cannot
be
spread
from one person to another
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Heart
A vital organ responsible for pumping
oxygenated
blood throughout the body
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Coronary arteries
The network of blood vessels that supply the heart with
oxygen
and
nutrients
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The build-up of fatty substances in the coronary arteries
1.
Formation
of
plaques
2.
Plaques
gradually increase in size and narrow the
arteries
3. If a plaque ruptures, it can lead to the formation of a blood clot, further
blocking
the artery and potentially causing a
heart attack
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