Smoking can cause many respiratory problems, such as chronic bronchitis: a long term imflammtion of the bronchi, emphysema: a chronic lung condition that affects the alveoli and, of course, lung cancer: an abnormal, continual multiplying of cells that can result in lumps, masses, or tumors.
Well, if you had asked "What lifestyle activity definitely has a negative impact on the respiratory system," I would answer "smoking."
smoking
Smoking causes cancer and heart attacks.
Smoking increases the elasticity of the lungs.
avoid smoking
Smoking will hurt the respiratory system. It has harmful lead, so when you inhale you are inhaling lead.
smoking affects your lung and without your lungs no life;)
avoid smoking
It affects your Respiratory System (breathing system). Especially it targets your lungs.
you die
smoking that will affect the lungs
Uh smoking!!!!