3444
Whole body electrolyte and trace metal profiles were not affected by exposure to TiO ( 2 ) , and there were no changes in Na ( + ) K ( + ) - ATPase activity in brain , gill or liver tissues .
 Chemical: TiO ( 2 ); Chemical: Na ( + ); Chemical: K ( + )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: TiO ( 2 ); Chemical: Na ( + ); Chemical: K ( + )