Question

What is normal reading of human blood pressure.option a 100 -60 mm/hg b.120-80 mm/hg c.180-120 mm/hg d.100 -50mm/hg

Answer 1

Answer:

b. 120-80 mm hg

Explanation:

In the above answer, mm stands for millimetres and hg, as you know, is the symbol of Mercury.

Also,

Blood pressure is measured using a instrument called spyghmomanometer

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