What is expiration or exhalation ?

What is inspiration and expiration ? Explain the term 'respiration rate'.

What is exhaling?

Define expiration

What is the role of inhalation and exhalation?

What is the composition of exhaled air ?

Exhalation is the process of expulsion of air through the respiratory tract. Which figure illustrates the process of exhalation ?

Exhalation is the process of expulsion of air through the respiratory tract. Which figure illustrates the process of exhalation ?