Easy points

1
suggest what the drug longmasterol might do to the body to affect reaction time

2
describe the effect of longmasterol changes with age

3
explain why using longmasterol for a long time might cause liver damage

4
whats the name given to a pair of muscles having opposite effects

5
why do muscles work in pairs

6
describe in 3 ways a red blood cell is adapted to its function

7
why can a state of matter be compressesd

8
describe 1 way the density change when water freezes is different from the density change when the other liquids freeze

9
why do aircraft need a force from the engines to fly at a steady speed

10
what causes pressure from the water