test revision Flashcards
1
Q
What is a hypertonic solution?
A
Where the concentration of solutes in the solution outside the cell is higher than the concentration inside the cell.
2
Q
What does oxygen do by diffusion?
A
It moves in and out cells.
3
Q
What do lungs have to improve the efficiency of gas exchange?
A
They have a large surface area.
4
Q
What does active transport use?
A
Energy from respiration.
5
Q
What is one of the things a sperm has?
A
A tail for swimming.
6
Q
What are bacteria an example of?
A
They are an example of prokaryotic cells.
