Water Flashcards
What percentage of the human body is approximately water?
50-75%
What type of molecule is water?
Polar molecule
What is a solvent?
A liquid that dissolves another substance, the solute.
Why is water considered an excellent solvent?
It can interact easily with both polar molecules and ions.
What is the primary role of water in the body regarding chemicals?
To transport the body’s essential chemicals.
What is excretion?
The process of carrying the body’s waste dissolved in urine.
How does water contribute to reducing friction in the body?
By lubricating surfaces.
What role does water play in cushioning the body?
It cushions sudden forces acting against the body.
What is the significance of water’s high specific heat?
It helps maintain relatively stable body temperature.
What does high heat of vaporization mean in relation to sweating?
When sweat evaporates, it takes heat with it, cooling the body.
What is the chemical formula for water?
H2O
