Answer:
the nicotine damages their lungs
Explanation:
a non smoker wouldn't have nicotine or anything else caused by smoking affecting their lungs. non smokers would have way healthier and less infection prone lungs than smokers
Answer:
Secondhand smoke among children causes a myriad of problems with the respiratory system.
Explanation:
Pregnant mothers or young children that are exposed to secondhand smoke are more likely to suffer from SIDS (Sudden Infant Death Syndrome), babies could be born with low birth weights and/or underdeveloped lungs, children can suffer from acute respiratory infections and/or asthma, children can also suffer from increased ear infections as well.
Through small intercellular canals to reach the lumen and through the sweat duct to be secreted at the skin surface.
I hope this helped !
Each scientist made an important, but unrelated, contribution. Scientists built on the previous work of other scientists to make new discoveries. Most of the discoveries were made by chance and did not depend on prior knowledge.