Question

Are there any parts of the human body that get oxygen directly from the air and not from the blood?​

Answer 1

Answer:

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The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air. The cornea is the fastest healing tissue in the human body, thus, most corneal abrasions will heal within 24-36 hours.

Answer 2

Answer:

Yes. Upper-layer skin cells and the cells in the front surface of the eyes get a significant amount of oxygen directly from the air rather than from the blood.