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Define blood pressure ....

Define blood pressure .

Text Solution

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1. Blood pressure is the pressure exerted on the surface of blood vessels by the blood.
2. There are two types of pressure, the systolic pressure and the diastolic pressure.
3. Systolic pressure is the pressure in the arteries as the chambers of the heart contracts.
4. Diastolic pressure is the pressure in the arteries when the heart chambers relax.
5. It is expressed as systolic pressure / diastolic pressure. Normal blood pressure in man is about 120/80mm Hg.
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