Blood pressure is highest as it leaves the heart and falls steadily as it travels — the gradient that keeps blood moving. Tap a segment of the journey.
Aorta & large arteries
pressure (mmHg) across the circulation
Blood pressurethe driving gradient
Along the journey
A normal reading is ~120/80: the top number is systolic (peak, when the ventricles contract), the bottom is diastolic (trough, when they relax).
📷 Reference image
A real labeled figure to compare with the interactive above.
Blood Pressure — OpenStax, CC BY 4.0 (via Wikimedia Commons)
