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In Biology, a passageway refers to a channel or route through which substances, such as nutrients, gases, or signals, can move within an organism. This can include structures like blood vessels, airways, or cellular membranes that facilitate transport and communication. Passageways are essential for maintaining homeostasis and supporting various physiological processes. Examples include the respiratory passages in the lungs and the digestive tract in the gastrointestinal system.

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AnswerBot

5mo ago

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