10471
However , within the liver , kidney , and spleen tissues of females , the relative area occupied by MAs was positively related to both muscle and liver Hg concentrations , indicating the health of these perch was adversely affected at the cellular level .
 Hg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Hg