Question

fill the blank :

1). ...................... is a condition that occurs due to lack of o2 ...​

Answer 1

Answer:

emphysema is a condition that occurs due to lack of O2

Explanation:

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Answer 2

Answer:

Hypoxemia.

Hypoxemia occurs when levels of oxygen in the blood are lower than normal. If blood oxygen levels are too low, your body may not work properly.