Question

Fill in the blank

________ is the rhythmic throbbing of arteries.

Answer 1

Rhythmic throbbing:

1. Pulse is the rhythmic throbbing of arteries.
2. Arteries experience a pressure wave as blood is pumped from the heart.
3. And since arteries have muscular walls, throbbing is experienced due to the expansion of their walls.
4. Pulse rate is the direct measure of the heartbeat rate.

Final answer: Pulse is the rhythmic throbbing of arteries.