Topics

• The physical process of breathing

• Breathing defined

• Thoracic and abdominal cavities

• The diaphragm

• Lungs

• Nose & nasal cycle

• Abdominal and intercostal muscles

Questions Answered

• What happens during breathing?

• What is the purpose of breathing?

• What are the contents of the thoracic and abdominal cavities?

• How do the thoracic and abdominal cavities change during breathing?

• What is the diaphragm's role in breathing?

• What is the function of the nose in breathing?

• What is the nasal cycle?

• What are the primary respiratory muscles and what are the accessory?

• What problems can a person have with their diaphragm and what is the effect?

• Why is the fill capacity of the upper lungs less than the lower?

• What is the role of the intercostal muscles and abdominals in breathing?