Respuesta :
The lower limit (5th percentile) of systolic blood pressure can be estimated with this formula: 70mm Hg + (2 x age in years).
Thus, according to the question:
Systolic blood pressure = 70mm Hg + (2 x 9)
= 70mm Hg + 18
= 88mm Hg {answer}
Blood pressure can define as the pressure exerted by flowing blood on the walls of the veins and arteries of the body. It is measured in two terms: systolic blood pressure and diastolic blood pressure.
Systolic blood pressure measures the pressure exerted by blood in the arteries when the heart pumps the blood into it whereas diastolic blood pressure measures the pressure exerted by the blood when the heart is at resting between the beats and not pumping the blood.
Normal systolic blood pressure reads 120 and normal diastolic blood pressure reads 80. So the overall normal blood pressure will be "120/80 mmHg" where mmHg is the unit in which the Blood pressure is measured.
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