Water because that is what you are 75% mostly made of
Answer: 
Explanation:
Given : The mean pulse rate (in beats per minute) of adult males
For sample : Size = 
Mean : 
Standard deviation : 
We assume that its a normal distribution , since the sample size is large (>30) then test applied here is z-test .
The formula to calculate the z-statistic is given by :-


Hence, the value of the test statistic = 
Whole body: dehydration, fatigue, flushing, thirst, excess sweating, fainting, inability to sweat normally, light-headedness, low blood pressure, or nervous system dysfunction
Muscular: cramping, stiff muscles, or muscle spasms
Gastrointestinal: nausea or vomiting
Respiratory: fast breathing or shallow breathing
Also common: elevated core body temperature, fast heart rate, delirium, dry skin, headache, or mental confusion
Anorexia is a serious eating disorder where one is so disturbed by his/her own body that they starve themselves. They believe that they are too fat or disgusting, so they refuse to eat.