Multiple choice general knowledge culture

During smoking, as part of combustion, the active substances such as Nicotine are absorbed to this part of Human Body

  1. Heart

  2. Pancreas

  3. Lungs

  4. Liver

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During smoking, nicotine and other active substances are absorbed through the alveoli in the lungs, which have a massive surface area for gas exchange. From the lungs, these substances rapidly enter the bloodstream and reach the brain within seconds. The lungs are the primary absorption site, not the heart, pancreas, or liver.