Respiratory system

Question 1

Stage 1

Answer 1

Air is inhaled either by your nose or mouth and travels into your lungs via trachea

Question 2

Stage 2

Answer 2

Oxygen is exchanged for carbon dioxide in the lungs

Question 3

Stage 3

Answer 3

The air is then transported to the heart through the artery and pumped out into the rest of the body.

Question 4

Stage 4

Answer 4

Then the air is taken round the body to the cells via the circulatory system

Question 5

Stage 5

Answer 5

blood cells come back to get more oxygen