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Which of the following statements about blood vessels is/are correct?Question 13Select one or more:a.Arteries transport blood towards the heart.b.Veins transport blood away from the heart.c.Capillaries are the site of nutrient and gas exchange.d.Arteries always carry deoxygenated blood.e.Arteries and veins have the same layers, but arteries are not as thick as veins.

Question

Which of the following statements about blood vessels is/are correct?Question 13Select one or more:a.Arteries transport blood towards the heart.b.Veins transport blood away from the heart.c.Capillaries are the site of nutrient and gas exchange.d.Arteries always carry deoxygenated blood.e.Arteries and veins have the same layers, but arteries are not as thick as veins.

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Solution

The correct statements about blood vessels are:

c. Capillaries are the site of nutrient and gas exchange. This is true because capillaries are very thin and allow for the exchange of nutrients, gases, and waste products between the blood and the body's tissues.

The other statements are incorrect:

a. Arteries transport blood away from the heart, not towards it.

b. Veins transport blood towards the heart, not away from it.

d. Arteries do not always carry deoxygenated blood. The main function of arteries is to transport oxygenated blood from the heart to the rest of the body. The only exception is the pulmonary artery which carries deoxygenated blood from the heart to the lungs.

e. Arteries and veins do have similar layers, but arteries are typically thicker than veins because they are closer to the heart and therefore need to withstand higher pressure.

This problem has been solved

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