Concept explainers
a.
To explain: The importance of high elastic fiber content in the aorta.
Concept introduction: Aorta is the largest artery present in the body. Oxygen-rich blood from the left ventricle is transported by aorta to other body parts. The intima, media, and adventitia are the three layers of aorta.
b.
To explain: The importance of smooth muscles in the arterioles.
Concept introduction: Blood vessels are the tube-shaped structures involved in the transportation of blood through tissues and organs. The types of blood vessels in the circulation system namely arteries, veins, arterioles, venules, and capillaries.
c.
To explain: The extensive capillaries in the liver and lungs.
Concept introduction: Blood vessels are the tube-shaped structures involved in the transportation of blood through tissues and organs. The types of blood vessels in the circulation system namely arteries, veins, arterioles, venules, and capillaries.
d.
To explain: The importance of valves in the leg veins.
Concept introduction: Blood vessels are the tube-shaped structures involved in the transportation of blood through tissues and organs. The are many types of blood vessels in the circulation system namely arteries, veins, arterioles, venules, and capillaries. Veins are the blood vessels that function to carry the blood toward the heart.
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Gould's Pathophysiology for the Health Professions, 5e
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