Identify the anatomical structures shown in the given diagram of the heart’s internal structure. Introduction: The heart is the main organ of the circulatory system. It is divided into four chambers: two atria and two ventricles. These chambers are separated by walls and valves. The oxygenated form of blood from the lungs enters through the left atrium and leaves from the left ventricle. The deoxygenated blood enters the right atrium and leaves from the left ventricle for the lungs.

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Chapter 21, Problem 12RFT

Summary Introduction

To review:

Identify the anatomical structures shown in the given diagram of the heart’s internal structure.

Introduction:

The heart is the main organ of the circulatory system. It is divided into four chambers: two atria and two ventricles. These chambers are separated by walls and valves. The oxygenated form of blood from the lungs enters through the left atrium and leaves from the left ventricle. The deoxygenated blood enters the right atrium and leaves from the left ventricle for the lungs.

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