1. Explain the respiratory physiology of pulmonary ventilation (inspiration and

1. Explain the respiratory physiology of pulmonary ventilation (inspiration and expiration).
Your response must be at least 75 words in length.
2.Explain how the airway passages protect the human body from foreign debris, dust, and pathogens.
Your response must be at least 75 words in length.
3.List the actions and function of respiratory muscles involved with breathing.
Your response must be at least 75 words in length.