Difusion And Gas Exchange (2) Flashcards Preview

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Flashcards in Difusion And Gas Exchange (2) Deck (8)
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1
Q

Define ‘Defuse’

A

The movement of particles from an area of high concentration to an area of lower concentration

2
Q

Give an example of ‘diffuse’

A

Cooking: The high concentration is in the kitchen and the low concentration is upstairs

3
Q

What does the concentration then do?

A

Spread out

4
Q

Give an example of diffusion in our body

A

Lungs: Particles move oxygen from the alveolour air space to blood circulating around the lungs

5
Q

Where does ‘Gas Exchange’ happen?

A

In the aleoli

6
Q

What is there one thin layer of in the alveoil?

A

One thin layer of cells

7
Q

What other part of the body also has ‘one thin layer of cells’?

A

The capillary

8
Q

Why is it called ‘Gas Exchange’? What is happening?

A

We are exchanging oxygen and carbon Dioxide