Breathing system and nervous system

How many parts are there in the breathing system?

• 1

• 2

• 3

• 4

Which parts of the face shown are parts of the breathing system?

(Choose more than one)

• 
• 
• 
• 

What is the name of the part labelled X?

What is the name of the part labelled X?

What do we take into our lungs to be passed into our blood vessels?

• Nitrogen

• Carbon dioxide

• Oxygen

• Water vapour

What unwanted gases do we breathe out?

(Choose more than one)

• Nitrogen

• Carbon dioxide

• Oxygen

• Water vapour

How many parts are there in the nervous system?

• 1

• 2

• 3

• 4

Which part of the picture shown (X,Y or Z) is the brain?

• X

• Y

• Z

Which part of the picture shown (X,Y or Z) is the nerves?

• X

• Y

• Z

What is the name of the part labelled Y?