Effects of Smoking on the Lungs

He inhales cigarette smoke. Smoke moves

deeper into the lungs. Smoke reaches the alveoli.

Toxic particles stick to the alveoli walls.

Gas exchange starts to slow down. Nicotine

enters the bloodstream. Blood carries it toward the brain.

Nicotine reaches the brain. Brain cells react

instantly. Addiction pathways begin forming.

Oxygen supply to the brain drops. Damage

continues with every puff. Lung tissue

begins to break down. Air gets trapped inside

the lungs. And it starts again with the next

inhale