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What is this?
What is osmosis?
What is this?
How would you make an exchange surface more effective in humans?
What do the villi have/do to provide a surface area?
What is the surface area of the lungs increased by?
Why is surface area needed?
What is the difference between active transport and diffusion?
What is Active Transport?
What is Diffusion?
When we breathe in, which way does our inside torso structure move?
Why do we breathe?
Give three features of alveoli that allow large amounts of oxygen to enter the blood.
In plants, which way does CO2 enter foliage?
What absorbs water and mineral ions in plants?
What is the surface area of roots increased by?
What is the surface area of the leaves increased by?
Why do plants have a stomata?
What is transpiration?
Where does most of the loss of water vapour take place?
Evaporation is more rapid in which conditions?
How does the stomata prevent the leaf from dehydrating?
