Blood flow in the Heart
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4 Types of Blood Circulation
1. *Pulmonary Circulation
2. *Systemic Circulation
3. Coronary Circulation ( Not Important )
4. Portal Circulation ( Not Important )
Pulmonary Circulation
Deoxygenated blood from Right Ventricle leaves via the Pulmonary Valve
v
Pulmonary Artery to the Lungs
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In the Lungs, gas exchange occurs
v
Oxygenated blood leaves the Lungs via Pulmonary Vein
v
Left Atrium of the Heart
Systemic Circulation
Oxgenated blood from Left Atrium leaves via Mitral Valve towards Left Ventricle
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Oxegenated blood leaves Left Ventricle via the Aortic valve
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Aorta
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Pumps blood to ALL parts of the body
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Deoxygenated blood goes back to the Heart via Superior Vena Cava and Inferior Vena Cava
v
Right Atrium
Coronary Circulation
- The heart is supplied with arterial blood by the right and left coronary arteries
- These arteries are the 1st branches from the aorta immediately distal to the aortic valve.
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Aorta
1. Ascending Aorta
> Right & Left Coronary Artery
2. Aortic Arch
> Left common carotid
- To head and neck
> Left subclavian artery
- To left arm
> Right subclavian artery
- Right common carotid
3. Descending Aorta
> Thoracic Aorta & Abdominal Aorta
Portal Circulation [ Liver ]
- Carry deoxygenated blood and digested nutrients from abdominal organs to the liver
- END -
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Biology Science 1
De TodoThis is just my Biology notes for my studies in school. It might benefit you. If you have any questions or doubts, do comment down! Thank you!
