Multiple choice general knowledge science & technology

Which of the following pollutants can readily mix with the blood and cause severe health problems?

  1. Carbon monoxide

  2. Carbon dioxide

  3. Sulfur dioxide

  4. Sulfur trioxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon monoxide binds to hemoglobin 200+ times more strongly than oxygen, causing hypoxia and tissue damage. CO2, SO2, and SO3 are respiratory irritants but don't enter bloodstream as efficiently. CO is called the silent killer for this reason.

Keep practicing — related questions