What is blood pressure?
PhysicsClass 10CBSEAnswered 28 May 2026
Answer
Blood pressure is the force exerted by blood against the walls of arteries, measured in mmHg.
- Normal: 120/80 mmHg (systolic / diastolic)
- Systolic = force during heartbeat; Diastolic = force between beats.
- High blood pressure = hypertension strains arteries and heart.
- Measured by sphygmomanometer.
Blood pressure measures the force of blood on artery walls, normally 120/80 mmHg.
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