47689
Studies in the brine shrimp have examined how water affects cell functions ; these saw that a 20 % reduction in the amount of water in a cell inhibits metabolism , with metabolism decreasing progressively as the cell dries out and all metabolic activity halting when the water level reaches 70 % below normal .
 brine shrimp
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 brine shrimp