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161427
THE HEART
Description
GCSE Biology (The Heart) Mind Map on THE HEART, created by 9arush on 07/08/2013.
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biology
the heart
biology
the heart
gcse
Mind Map by
9arush
, updated more than 1 year ago
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Created by
9arush
over 10 years ago
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0
Resource summary
THE HEART
Coronary Artery
The coronary artery supplies the heart with oxygen & nutrients
CHD
when fatty deposits in the artery make the lumen smaller
The heart beat
when the heart muscle contracts it is in SYSTOLE
When the heart muscle relaxes it is in DIASTOLE
General
The heart is made of Myogenic muscle
This means it contracts by itself
the hearts pacemaker initiates contractions due to electrical impulses
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