Which part of the body usually suffers first from the effects of hypoxia, which is the lack of oxygen at high altitudes?

Which part of the body usually suffers first from the effects of hypoxia, which is the lack of oxygen at high altitudes?

Which part of the body usually suffers first from the effects of hypoxia, which is the lack of oxygen at high altitudes?



a. Ears.
b. Eyes.
c. Nose.
d. Lungs.


Answer: B