Blood pressure is highest as blood leaves the heart. It falls steadily as blood travels. This steady drop keeps blood moving. Tap a part of the trip.
Aorta & large arteries
pressure (mmHg) along the whole trip
Blood pressurethe drop that drives flow
Along the trip
A normal reading is about 120/80. The top number is systolic, the high point when the ventricles squeeze. The bottom number is diastolic, the low point when they relax.
📷 Reference image
A real labeled picture to compare with the activity above.
Blood Pressure — OpenStax, CC BY 4.0 (via Wikimedia Commons)