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Cardiovascular System Functions Overview

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Cardiovascular System Functions Overview

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Questions and Answers

What is the main function of the pulmonary circulation?

Site of gas exchange (correct)

Removes wastes

Adjusts blood supply in different physiological states

Delivers nutrients to tissues

Which cells in the cardiovascular system convert Angiotensin to Angiotensin II?

Endothelial cells (correct)

Red blood cells

Smooth muscle cells

Cardiomyocytes

Where does the pulmonary artery transport blood to?

Brain

Heart

Lungs (correct)

Kidney

How does the cardiovascular system adjust blood supply during the flight/fight response?

Redirects blood from kidney and stomach to muscles and heart Signup and view all the answers

What percentage of cardiac output goes to coronary arteries?

5% Signup and view all the answers

In systemic circulation, what is the main function of delivering nutrients to tissues supported by?

Metabolism Signup and view all the answers

What is the main function of the atrioventricular valves in the heart?

Prevent backflow of blood Signup and view all the answers

Which chamber of the heart pumps blood into the lungs?

Right ventricle Signup and view all the answers

In cardiac tamponade, what restricts the pumping action of the heart?

Pericardium inflammation Signup and view all the answers

What is the approximate weight of the heart as a percentage of total body weight in mammals?

0.6% Signup and view all the answers

What is the function of semilunar valves in the heart?