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Oxygen Diffusion

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Oxygen enters the blood in the(1 point) Responses bronchi. bronchi. pharynx. pharynx. larynx. larynx. alveoli.
1. 1 answer
2. asked by pe
3. 40 views
Oxygen diffuses from the surface of insects to the interior through tiny tubes called tracheae. An average trachea is about 2mm
1. 1 answer
2. asked by Anonymous
3. 707 views