Fats because too much can be bad. or sugar
The term body fluid refers to the water and also the SOLUTES of your body.
The body fluid is made up majorly of water and different types of solutes. The solutes are classified as large and small. The small solutes are made up of electrolytes and metabolites. The large solutes are made up of proteins, enzymes and serum albumin.<span />
Muscular strength
in case you didn't know the definition of muscular strength, you could use process of elimination. it's not muscular endurance because endurance is testing how long you can do something over a period of time, and the question is asking about all at once. it's not flexibility or body composition because neither are testing how much force your body can exert. that leaves muscular strength.