7524
Copper was present in the animals at a basal physiological level of 40 - 90 mu g g ( - 1 ) dry weight , on top of this uptake and elimination kinetics were observed .
 Chemical: Copper
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: Copper