Answer: C
Explanation: ability to defend against pathogens
True. It would be dangerous to have medications within reach of children, they should be kept high and locked.
Answer:
The effects of tobacco smoke on the respiratory system include: irritation of the trachea (windpipe) and larynx (voice box) reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages.
Explanation: hope i could help and i hope you have a really good day :)
This is very good information thanks