Heart rate Notes: Definitions & Explanations PDF | Download eBooks
Study Heart rate lecture notes PDF with biology definitions and explanation to study What is Heart rate?. Study heart rate explanation with biology terms to review biology course for online degree programs.
Heart rate Definition:
Heart rate is the number of heart beats per minute.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Heart rate Notes:
Heart rate is the speed of the heartbeat measured by the number of contractions (beats) of the heart per minute (bpm). The heart rate can vary according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide. It is usually equal or close to the pulse measured at any peripheral point. Activities that can provoke change include physical exercise, sleep, anxiety, stress, illness, and ingestion of drugs. For example, exercising increases the heart rate.
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