Question 2
The diagram below shows the human respiratory system. Which of the following statements are correct based on the diagram above?
I. Part A allows air to enter and leave the body
II. Part B allows the passage of air to the lungs
III. Part B traps the dust from entering the lungs
IV. Part C contains air sacs, which are covered with many blood vessels.
I. Part A allows air to enter and leave the body
II. Part B allows the passage of air to the lungs
III. Part B traps the dust from entering the lungs
IV. Part C contains air sacs, which are covered with many blood vessels.