How does nicotine affect the respiratory system? A. It increases reflex actions
B. It causes breathing to become shallow
C. it increases muscle activity in the airways
D. It decreases mucus production.

Could someone me? it's about drink looking at the effects and consequences of illegal drinking, what advice would you give an 11-year-old brother or sister? list at least three effects/consequences, and be specific by using examples.

What can friends provide to affect mental health positively? a)peer pressureb)challengesc)conflictd)companionship

Saved if you often notice flakes of dead skin on your shirt, you may have dandruff. if so,