Questions and Answers
Which two types of blood vessels make up the circulatory system?
Arteries and veins
What is the main artery of the circulatory system called?
Aorta
Which type of circulation transports oxygenated blood from the heart to various regions of the body?
Systemic circulation
Which layer of the heart wall is the most muscular?
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Which chambers of the heart are responsible for pumping blood out?
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Which type of artery is the aorta?
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What is the main function of veins?
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Which component of blood accounts for between 40 and 45 percent of its volume?
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What is the function of hemoglobin in red blood cells?
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Which type of white blood cell is responsible for regulating other immune cells and hunting down infected cells and tumors?
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What is the function of platelets in blood clotting?
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