The control of heart rate during and after exercise. Concept introduction: The number of times that the heart beats in a minute is known as heart rate. Blood is supplied to all parts of the body by the cardiovascular system. Each heartbeat signifies that blood is pumped out of the heart to the body for providing oxygen to the lungs or working muscles for re-oxygenation.

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Chapter 12, Problem 12.1CTA

Summary Introduction

To describe: The control of heart rate during and after exercise.

Concept introduction: The number of times that the heart beats in a minute is known as heart rate. Blood is supplied to all parts of the body by the cardiovascular system. Each heartbeat signifies that blood is pumped out of the heart to the body for providing oxygen to the lungs or working muscles for re-oxygenation.

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