The heart
- Created by: Laurenpulley5441
- Created on: 14-02-18 19:32
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Cardiac muscle
The heart is mainly made up of cardiac muscle which contracts involuntarily. Cardiac muscle is made up of cells connected by cytoplasmic bridges which enable electrical impulses to be carried through the tissue. It contains large numbers of mitochondria and myoglobin molecules.
Structure of the heart
Chambers - The heart is divided into a left half (with…
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