BI-2231
The breathing system
Biology · Secondary 4 · Easy · The breathing system
A doctor examines the trachea lining and finds that many goblet cells have been destroyed. The patient often complains of a dry, irritated throat. What is the main function of goblet cells?
- Detect harmful chemicals in the air.
- Produce mucus to line the airway.
- Sweep dirt out of the trachea.
- Warm the air entering the lungs.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.