What is the difference between an artery and a vein?
Which artery carries oxygen-poor blood?
What are the two upper chambers of the heart called?
How many valves are in the heart?
What is the proper name for the electrical system in the heart?
What is the bundle of His?
Which of the following are classified as blood vessels? Check all that apply.
In the systemic circulation, what kind of blood vessel carries blood from the body back to heart?
How many cardiac layers are in the human heart?
The primary purpose of heart valves is to
The main purpose of the aortic valve is to
What type of circulation involves the exchanges of gases?
What cardiac layer of the heart is the most dense and fibrous?
What are the small grapelike sacs that exchange gases in the lungs called?
What are the two lower chambers of the heart called?
What are the names of all of the valves in the heart? Check all that apply.
Which are electrical “nodes” of the heart? Check all that apply.
What are Purkinje fibers?
What is the process called when the body forms new blood vessels?
What is the name of the cardiac layer that is the strongest?
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