Summary
Summary revision mindmap for gcse biology
mindmap on effects of smoking
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goblet cells secrete muthe dust and bacteria
in a healthy lungs cilia woof the mucus u
go down to stomach in
are produced
bronchitis 支气管炎 the tar (焦油）paralyzes
so the mucus stay in th
cause chest infections
when you smoke
the tar also irritates the
mucus are produced an
causing 'smoker's coug
bronchitis
to lungs alveoli are bursted and fused together
largely reduce the surface area for gas
emphysema 肺气肿 exchanging so patients are constantly
breathless
there's no cure for that and sufferers cant
carry out any basic tasks like walking.
cigarette contains over 40 carcinogens ( 致
癌物）
lung cancer 肺癌
they develop large tumors （肿瘤）
the carbon monoxide ( 一氧化碳） binds to
hemoglobin ( in red cells) so the blood
cant carry as much oxygen as usual
Biological Effect of
heart then has to beat faster to get more
Smoking oxygen so the blood pressure increase
to heart coronary heart disease
it damaged the artery wall and the risk of
clot rise
nicotine makes the blood sticky and
narrow the vessels (vasoconstriction)
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