
Concept explainers
(a)
To describe: The functions of the sinoatrial node.
Introduction: The cardiovascular system, which is also known as circulatory system, is a system that allows the blood to flow throughout the body and transports nutrients, gases, and other important enzymes in and out of the cells. The cardiovascular system is composed of two components: heart and the blood vessels.
(b)
To describe: The functions of atrioventricular node.
Introduction: The cardiovascular system, which is also known as circulatory system, is a system that allows the blood to flow throughout the body and transports nutrients, gases, and other important enzymes in and out of the cells. The cardiovascular system is composed of two components: heart and the blood vessels.

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Chapter 7 Solutions
EBK HUMAN BIOLOGY
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