What Is Inspiration And Expiration In The Respiratory System?
What Is Inspiration And Expiration In The Respiratory System? The first phase is called inspiration, or inhaling. When the lungs inhale, the diaphragm contracts and pulls downward. … As a result, air rushes in and fills the lungs. The second phase is called expiration, or exhaling. What is expiration respiratory system? Expiration (exhalation) is the