12 Questions
What is the main function of the pulmonary circulation?
Site of gas exchange
Which cells in the cardiovascular system convert Angiotensin to Angiotensin II?
Endothelial cells
Where does the pulmonary artery transport blood to?
Lungs
How does the cardiovascular system adjust blood supply during the flight/fight response?
Redirects blood from kidney and stomach to muscles and heart
What percentage of cardiac output goes to coronary arteries?
5%
In systemic circulation, what is the main function of delivering nutrients to tissues supported by?
Metabolism
What is the main function of the atrioventricular valves in the heart?
Prevent backflow of blood
Which chamber of the heart pumps blood into the lungs?
Right ventricle
In cardiac tamponade, what restricts the pumping action of the heart?
Pericardium inflammation
What is the approximate weight of the heart as a percentage of total body weight in mammals?
0.6%
What is the function of semilunar valves in the heart?
Prevent backflow of blood
Which part of the heart has a mass approximately one-third that of the left ventricle?
Right ventricle
Explore the functions of the cardiovascular system including transport of nutrients, wastes, and hormones, heat distribution, and blood supply adjustments in different physiological states. Learn about how the system maintains circulation, metabolism, and the role of endothelial cells in vasoconstriction.
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