What Is Arterial Blood?

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Arterial blood is oxygenated in the circulatory system found in the lungs, left chambers of the heart and in arteries. It carries blood away from the heart at high pressure, flows in spurts due the presence of a pulse, and is bright red in colour.
Venous blood is depleted of oxygen, darker in colour and flows evenly at lower pressure as there is no pulse to drive it. Venous blood is carried through the body via valves which push blood upwards back to the
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