132
The V1 / 2 decreases from 85 to - 22 mV , a change of 107 mV , when the concentration of free Ca2 + is increased from 20 to 300 muM .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None