Smoking - Part 1 (T2) Flashcards
How much carbon dioxide does the air we breathe in contain?
Around 0.04%
How much carbon dioxide is in the air that we breathe out?
Around 4%
How much oxygen does the air that we breath in contain?
Around 21%
How much oxygen is in the air we breath out?
Around 16%
What percentage of lung cancer deaths are attributed to smoking?
90%
What is COPD and what percentage of deaths from it are attributed to smoking?
- chronic obstructive pulmonary disease
- 80%
What percentage of deaths from heart disease are caused by smoking?
17%
Along with nicotine, how many chemicals are found in tobacco smoke and how many of them are poisons that can cause cancer?
Somewhere between 5000-7000 chemicals are found in tobacco smoke, with at least 60 of them being poisons that can cause cancer.
What are 4 of the most dangerous chemicals found in tobacco smoke?
- tar
- carbon monoxide
- oxidant gases
- benzene
Describe the dangers of tar in tobacco smoke…
- lungs are lined with tiny hair like structures to catch and sweep germs away
- if your lungs are coated in tar it is harder for them to move effectively
- take contains carcinogens which encourage the development of cancer cells
How can smoking affect bone strength?
- can cause brittle bones, leading to osteoporosis
- toxins in smoke can prevent construction cells in bones from doing their work
- toxins can upset the balance of hormones, such as oestrogen
How can smoking cause impotence?
- smoking affects blood vessels, including those that must dilate to achieve an erection