Gas exhange

Question 1

What do you take in when inhaling?

Answer 1

Oxygen and carbon dioxide

Question 2

What are lungs protected by?

Answer 2

The ribcage

Question 3

What happens to the diaphragm when inhaling and exhaling

Answer 3

Inhaling - moves down when it contracts
exhaling - moves up when it relaxes

Question 4

Where does the air that you breath in go to?

Answer 4

Through the trachea

Question 5

What are the bronchi split into smaller tubes called?

Answer 5

bronchioles

Question 6

Where does gas exchange happen?

Answer 6

the alveoli in the lungs

Question 7

Were does some of the oxygen inhaled go?

Answer 7

it passes into the bloodstream to be used for respiration

Question 8

What is the waste product in respiration? How is it breathed out?

Answer 8

Carbon dioxide
In the lungs it passes out of the blood and then breathed out

Question 9

How do the gases pass into or out of the bloodstream? (give the meaning)

Answer 9

By diffusion where a substance moves from where there’s is lots of it to were there ‘s less of it.

Question 10

How are lungs adapted to gas exchange?

Answer 10

1)They’re moist
2) They have a good blood supply
3) the alveoli (air sacs) give the lungs a big inside surface area