Questions and Answers
Describe the role of the circulatory system in temperature regulation.
Blood flow to the skin can help regulate body temperature. When the body is too hot, blood vessels in the skin dilate, allowing excess heat to be released.
What is the function of arteries in the circulatory system?
Arteries carry oxygenated blood away from the heart to various parts of the body. They have thick, muscular walls to withstand the high pressure generated by the heart's contractions.
Describe the function of veins in the circulatory system.
Veins carry deoxygenated blood from the body back to the heart. They have thinner walls than arteries and often have one-way valves to prevent blood from flowing backward.
What is the function of the tunica media in arteries and veins?
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Which blood vessel carries deoxygenated blood from the body back to the heart?
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What is the main function of the tunica adventitia/externa in arteries and veins?
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What is the primary function of the tunica media in arteries and veins?
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Arteries carry ______ blood away from the heart to various parts of the body
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Blood consists of various components, including red blood cells (erythrocytes), white blood cells (leukocytes), platelets, and ______
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The heart is primarily composed of smooth muscle tissue, which allows it to constrict or dilate to regulate blood flow and pressure
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