Tar가 무엇인가를 분명히 보여줍니다
폐에 달라붙어있는 타르의 일체를 확대해서 보여줍니다
타르가 폐의 모든 호흡구멍들을 막고 있습니다
폐의 뒷 부분까지도 볼수 있습니다
사이즈 : 7 x 11"

Take a fascinating look deep inside the lung to see how tar from cigarette smoke can penetrate and cause damage
even in the smallest parts of the lung.
Half of this innovative lung model shows the effects of emphysema and the other half is now in danger as it is being
attacked by sticky, poisonous tar.
Comes with tent card explaining the damage smoking does to the lungs