Answer:
The correct answer is Carbon dioxide builds in the blood.
Explanation:
When we breathe, what happens is that oxygen is ingested and carbon dioxide is expelled, which is harmful to the blood.
The blood works in a healthy way with 95% to 100% oxygen.
When there is a respiratory failure, there is a possibility that this process does not happen, and that carbon dioxide enters the blood, which could cause a failure in the heart and brain, as well as the rest of the organs.
Remember that carbon dioxide is a toxic waste, so ingesting it could cause a lot of damage to our body.
In this way we can say that the correct answer is Carbon dioxide builds in the blood.
