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
The usual metabolic pathway of ingested fluoride involves urinary excretion primarily with the remaining portion found largely in: 
Select and explain. 
A. Teeth, B. Muscle, C. Skeletal tissues, D. Liver
C: Skeletal tissues
Answer: C: Skeletal tissues 
Explanation: None