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Human Anatomy: Pump Systems, Location, and Structure

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Human Anatomy: Pump Systems, Location, and Structure

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Questions and Answers

Where does the right atrium receive deoxygenated blood from?

Superior and inferior vena cavae (correct)

Pulmonary veins

Left atrium

Aorta

What is the function of the pericardial fluid?

Reduction of friction as the heart beats (correct)

Oxygenation of blood

Distribution of blood to the body

Pumping blood to the lungs

Which chamber is the thickest and most muscular?

Left atrium

Right ventricle

Left ventricle (correct)

Right atrium

Where does the left ventricle pump oxygenated blood into?

Aorta Signup and view all the answers

What is the location of the apex of the heart?

Inferiorly toward left hip Signup and view all the answers

What is the role of the systemic pump system?

Pumping oxygenated blood from the lungs to the body Signup and view all the answers

What is the function of atria in the heart?

Receive deoxygenated blood and pump it to ventricles Signup and view all the answers

Where does the right ventricle pump deoxygenated blood into?

Pulmonary trunk Signup and view all the answers

What is located at the posterior surface of the heart?

Base Signup and view all the answers

Which valves prevent backflow into atria when the ventricles contract?

Tricuspid Signup and view all the answers

What is the function of Chordae tendinae in the heart?

Anchor AV valves to papillary muscles Signup and view all the answers

Which layer of the heart is composed of cardiac muscle tissue?

Myocardium Signup and view all the answers

What is the function of Serous Pericardium's parietal layer?

To produce a lubricant reducing friction Signup and view all the answers

Why is the Epicardium also known as the Visceral layer?

It protects the outer surface of the heart Signup and view all the answers

Which valve ensures that blood flows from the left ventricle into the aorta to prevent backflow?

Aortic Semilunar Signup and view all the answers

What is the function of the Papillary muscles during ventricular systole?

To prevent AV valves from going into the aorta Signup and view all the answers

Which layer of the heart consists of endothelial cells and covers heart valves?

Endocardium Signup and view all the answers

What does the Fibrous Pericardium do to protect the heart?

Prevents overfilling of the heart with blood Signup and view all the answers