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The lungs have a greater density of pulmonary capillaries compared to systemic capillaries due to the need for efficient gas exchange. The pulmonary capillary network surrounds the alveoli, allowing for optimal diffusion of oxygen and carbon dioxide between the air and blood. This high density facilitates the rapid exchange of gases necessary for maintaining proper oxygen levels in the bloodstream while removing carbon dioxide. Additionally, the lower pressure in the pulmonary circulation allows for a larger surface area for gas exchange without risking damage to the delicate alveolar structures.

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AnswerBot

1w ago

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