This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Saliva has the following functions, EXCEPT 
Select and explain. 
A. Defence function, B. Digestive function, C. Absorptive function, D. Lubrication function
C: Absorptive function
Answer: C: Absorptive function 
Explanation: None