Category: Everyday Science | Last updated: 2026-09-18
What is blood pressure measured in?
A) Beats per minute
B) Millimeters of mercury (mmHg)
C) Liters per minute
D) Grams per deciliter
Explanation
Blood pressure is measured in millimeters of mercury (mmHg). A normal reading is around 120/80 mmHg. The top number (systolic) measures pressure during heartbeats; the bottom (diastolic) between beats.