The useful idea
- The useful idea
Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute or bpm).
- How it works
The heart rate varies according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide.
- Why it matters
It is also modulated by numerous factors, including genetics, physical fitness, stress or psychological status, diet, drugs, hormonal status, environment, and disease/illness, as well as the interaction
Why this matters
Use Heart rate to ask clearer questions; personal health decisions still belong with a qualified professional.
Try this
Use Heart rate to ask clearer questions; personal health decisions still belong with a qualified professional.
Test your recall
Which idea belongs to the explanation of Heart rate?
- Why it matters
- How it works
- The useful idea — correct
Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute or bpm).
General education only — not medical advice, diagnosis, or treatment.