water

Question 1

What are the four functions of water?

Answer 1

1. metabolite
2. solvent
3. temp control

Question 2

the four properties

Answer 2

high latent heat of vaporisation
High specific heat capacity
polar
cohesive

Question 3

high latent heat of vaporisation:

Answer 3

• energy is used up when water evaporates

- helps humans cold down = organisms use water loss through evaporation to cool down

Question 4

high specific heat capacity

Answer 4

• resists changes in temperature = water doesn’t experience rapid water changes
• maintains a constant internal body temperature

Question 5

Polarity

Answer 5

• makes water a good solvent

- some substance dissolve in it

Question 6

cohesive

Answer 6

• water sticks together
• helps water to flow = good for transporting substances
• cohesion means water has high surface tension.