The lungs

Question 1

Name the tubes that split off in the trachea

Answer 1

Bronchi

Question 2

Explain the role that alveoli play in gas exchange

Answer 2

surrounded by a network of capillaries allowing oxygen and carbon dioxide to be exchanged between the blood in the capillaries

Question 3

How do you increase the rate of diffusion

Answer 3

• Alveoli have a large surface area
• The higher the temperature

Question 4

Where does air travel in the lungs?

Answer 4

trachea —-> bronchi —–> bronchioles —-> alveoli