Question
Which part of the respiratory system is the site of gas
exchange?Solution
Alveoli are tiny air sacs in the lungs where oxygen enters the blood and carbon dioxide is removed. They are surrounded by capillaries and provide a large surface area for efficient gas exchange.
In which direction point M with respect to point K?
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If Y # & F then Y is in with direction with respect to E ?
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What is the direction of R with respect to Q?
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What is the distance between point Z and point V ?
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