respiratory system!! discusion 175 words no plagiarism

Lung cancer is the leading cause of cancer death in the U.S.
The minimum age to lawfully purchase tobacco varies by state.
Some people would like to increase the smoking age to 21 in all states.
Describe at least one positive effect that this would have toward reducing the overall smoking rates.
https://www.tobaccofreekids.org/what_we_do/state_l…
Objective: Describe the respiratory system.