respiratory

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Which part of the pleura around the lungs comes in contact with the lungs?

What structure does the epilgottis close over

What structures are in the upper respiratory tract

An air filled cavity within a bone is a

What part of the pharynx is visible when you open your mouth?

Where does the exchange of O2 and CO2 take place in the lungs?

what is the largest branch of the bronchial tree

Why does the left lung have only 2 lobes?