6.7 SMOKING & HEALTH Flashcards
What is in tobacco smoke?
- Nicotine
- Tar
- Carbon monoxide
What is nicotine?
An addictive drug that makes you feel relaxed
What does nicotine do to your body?
Makes blood vessels narrow
What is tar?
A sticky black compound.
What does tar do to your body?
Coats the alveoli, making gas exchange more difficult and is carcinogenic.
What is carcinogen?
Causes cancer
What is carbon monoxide?
A poisonous gas
What does carbon monoxide do to your body?
Joins haemoglobin in red blood cell, reducing oxygen in blood
What are some health problems related to tobacco smoke?
- Lung cancer
- Throat & mouth cancer
- Heart disease
- COPD (Chronic, Obstructive, & Pulmonary Disease)
- Increased risk of stillbirth, small babies, or damaged babies
- Respiratory tract infection
What causes lung cancer?
Tar stays in lungs for years
How many percentage of lung cancer patients are smokers?
90%
What causes throat and mouth cancer?
Tobacco smoke flowing through them
What causes heart diseases?
Blood vessels becoming narrow
What can heart diseases cause?
heart attack or stroke
What causes COPD?
Tar builds up in lungs, causing the structure of alveoli to break down.