Pharynx

Larynx

Trachea

Ribs

Intercostal muscles

Lungs

Diaphragm

Nasal cavity

Epiglottis

Bronchi

Bronchioles

Alveoli

What are the two things cells need?

What happens in the lungs and tissues?

How are lungs suited to gas exchange?

What is inspiration?

How is the volume increased in inspiration?

What is expiration?

How is the volume of the lungs decreased during expiration?

For gas exchange to occur, what must be present?

Process of gas exchange (basic)

What makes gas exchange easy?

Emphysema
- Cause
- What happens?

Lung cancer
- Cause
- What is it?

Pneumonia
- What is it?

Tuberculosis
- What is it?
- Cause
- Spread
- Prevent

Asthma
- What is it?