Gas exchange in animals - Edexcel

1

What happens during gas exchange in the lungs?

2

A cube has sides with a length of 4 cm. What is its surface area to volume ratio?

3

Which organism has the highest surface area to volume ratio?

4

What are the tiny air sacs in the lungs called?

5

Which features do exchange surfaces have?

6

What is diffusion?

7

How are leaves adapted for effective gas exchange?

8

What is ventilation?

9

Which of these is the exchange surface for a single cell?

10

How is the trachea adapted for its function?