How is the heart muscle supplied with oxygen?
Answers
hey mate here's ur answer.....
Blood is supplied to the heart by its own vascular system, called coronary circulation. ... These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle. The right coronary artery supplies blood mainly to the right side of the heart.
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There are two main types of blood vessals.
1) Arteries : vessal which carry the blood away from heart are called arteries. Except one carrying blood towards the lungs , all carry oxygenated blood.
2) Veins : Vessals carring the blood towards the heart from various body parts are called veins. All veins except one carrying blood from the lungs transport deoxygenated blood. Their walls are thin and these are provided with valves.