Smoking

Question 1

What do we breathe in

Answer 1

inspired air

Question 2

What do we breathe out

Answer 2

expired air

Question 3

Why does the air we breathe in and out contain different proportions of gases

Answer 3

because we use up oxygen and produce carbon dioxide and water.

Question 4

Tar

Answer 4

Contains carcinogens that cause lung cancer

Question 5

Nicotine

Answer 5

Addictive

Question 6

what is emphysema

Answer 6

This disease caused by the alveolar walls breaking down, reducing the surface area for gas exchange.

Question 7

What diseases can we get from smoking

Answer 7

Lung cancer
Bronchitis
Emphysema

Question 8

How do cilia keep the lungs clean

Answer 8

Cilia beat and move mucus up trachea to be swallowed.

Question 9

How do goblet cells keep the lungs clean

Answer 9

They produce mucus which traps particles and bacteria

Question 10

What lines the airways

Answer 10

Ciliated epithelial cells

Question 11

How does smoking affect the cilia

Answer 11

smoking paralyses the cilia and the smoke contains particles that
clog mucus.