How is pulse accurately defined?

Pulse is accurately defined as the number of heartbeats that occur in one minute. Each pulse beat corresponds to a heartbeat, indicating the rhythmic expansion and contraction of the arteries as blood is pumped by the heart. Measuring pulse rate is crucial in assessing a person's heart health and overall physiological function.

The other options do not correlate with the definition of pulse. The number of breaths per minute relates to respiration, not pulse. The amount of blood pumped by the heart refers to cardiac output, a different metric of heart function. Lastly, the rate of respiration is also distinct from pulse measurement, focusing instead on how many times a person inhales and exhales within a given timeframe. Understanding pulse as the heart's beat frequency is key to monitoring cardiovascular health.