1. dehydration can be described as a water loss within the body, resulting in a drop of performance. a. 2% b. 5% c. 1% d. 3% 2. it is estimated that glasses of water are lost from normal kidney filtration on an average day. 3. the average person should drink glasses of water each day, just to replace the water lost during normal daily activities. a. 3-4 b. 6-7 c. 10-12 d. 8-9