heart
- Created by: Muskaan Dhaliwal
- Created on: 07-08-19 17:11
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- heart
- the heart is an organ that pumps blood around the body in a double circulatory system
- right ventricle
- pumps blood to the lungs where gas exchange takes place
- left ventricle
- pumps blood around the rest of the body
- pace maker (in the right atrium)
- controls the natural resting heart rate
- artificial electrical pace makers can be fitted to correct irregularities
- coronary arteries
- carry oxygenated blood to the cardiac muscle
- heart valves
- prevent blood in the heart flowing in the wrong direction
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