Question

Write down the pathway of exhaled air through the human respiratory system. [2 marks]

Answer 1

• The exhaled air first enters the trachea from the lungs. (0.5 marks)
• Then they enter the the pharynx which is the common passage for both food and air. (0.5 marks)
• The exhaled air then goes into the nasal cavity. (0.5 marks)
• Finally, it is expelled out of the body through the nostrils. (0.5 marks)