Definition of ventilation

Gas exchange

Call respiration

What is the trachea?

What is the function of cartilaginous rings in the trachea?

Speacial features of trachea and bronchi

What is the role of goblet cells and mucus

Label the ventilation system

What are the roles of cilia?

Describe the structure of alveoli

Explain which factors cause the diffusion gradient to remain high.

Explain how the oxygen diffusion gradient is maintained.

Explain how the CO2 diffusion gradient is maintained.

Do lungs have any muscles themselves, and what does this mean?

What is asthma?

Describe the features of asthma.

What are the symptoms of asthma?

What causes asthma?

Describe the processes in breathing in?

Describe the process of breathing out.

What happens when you breathe out heavily e.g. exercise ?