Answer
a) The blood pressure is measured in arm because it is at same height as the heart of human body so blood pressure will also be nearly same at same height.
b) If the blood pressure is measured in leg then since it lies below the heart while standing the blood pressure measured will be more than the pressure in heart.
Work Step by Step
a) The blood pressure is measured in arm because it is at same height as the heart of human body so blood pressure will also be nearly same at same height.
b) If the blood pressure is measured in leg then since it lies below the heart while standing the blood pressure measured will be more than the pressure in heart.