Question 8
Which of these is not something water does in a living body?
The right answer is the one marked above.
Water supplies no energy at all. When carbohydrate and fat are not supplying enough, it is protein that is broken down for energy.
The other three are real, and all three follow from water being an excellent solvent — the medium for reactions, the bulk of the extracellular fluids, and the carrier that makes excretion possible.