3495
The whole - organism respiration rate was measured as oxygen consumption with Micro - Oxymax respirometer , and cellular energy consumption - as the activity of electron transport system , which is linked to cellular respiration rate .
 Chemical: oxygen
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: oxygen