Coronary Arteries
Heart muscle is supplied with oxygenated blood by the coronary arteries which branch off the aorta shortly after it leaves the heart.
The coronary arteries wrap around the entire heart and form many branches which grow into the heart to supply the cardiac muscle with oxygen and nutrients.

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More in Mass Transport in Animals
- The Need for a Transport System
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- Cardiovascular Disease
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All 27 lessons in Mass Transport in Animals · All AQA AS-level Biology topics