Multiple Choice
In the lungs, which type of blood vessel forms a dense network around the alveoli to allow gas exchange?
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19. The Blood Vessels
Capillaries
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Which of the following areas of the body has the highest concentration of capillary beds?
A
Skeletal muscle.
B
Joints.
C
Connective tissue.
D
Cartilage.
Verified step by step guidance1
Understand the function of capillary beds: Capillary beds are networks of capillaries that facilitate the exchange of oxygen, nutrients, and waste products between blood and tissues.
Consider the metabolic activity of each area: Areas with higher metabolic activity require more oxygen and nutrients, thus having a higher concentration of capillary beds.
Evaluate skeletal muscle: Skeletal muscles are highly active tissues, especially during physical activity, requiring a significant blood supply to meet their metabolic demands.
Assess joints: While joints are important for movement, they do not have as high a metabolic rate as skeletal muscles, thus having fewer capillary beds.
Analyze connective tissue and cartilage: These tissues generally have lower metabolic activity compared to skeletal muscle, resulting in fewer capillary beds.
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