All of the following are normal functions of mucus EXCEPT
A)protects the lining of the stomach from harmful chemicals.
B)traps dust particles in the respiratory system.
C)lubricates food as it moves through the gastrointestinal tract.
D)traps foreign particles like bacteria and viruses in the respiratory system.
E)lubricates the ends of bones as they move in joints.

Question

Quizplus · Accepted Answer

Mucus does not lubricate the ends of bones in joints. That function is performed by synovial fluid.

All of the Following Are Normal Functions of Mucus EXCEPT