KS3 Respiratory System

Front

Inhalation

Back

Breathing in

Front

What does exhalation?

Back

Breathing out

Front

When we breathe in, what enters our lungs and passes into the blood?

Back

oxygen

Front

When we breathe out, ................. leaves our body.

Back

carbon dioxide

Front

Which 2 substances are exchanged in the Respiratory System?

Back

carbon dioxide and oxygen

Front

The place in the lungs where oxygen and carbon dioxide are exchanged. Options: Diaphragm, Alveolus, Bronchi Tube, Trachea

Back

Alveolus

Front

Letter D is pointing to which Respiratory organ? Options: Alveoli, Diaphragm, Lung, Bronchi

Back

Diaphragm

Front

Letter B is pointing to which organ of the Respiratory System? Options: Nose, Trachea, Lungs, Diaphragm

Back

Trachea

Front

When the diaphragm relaxes and moves up and the ribs move down and in, the lungs are...

Back

shrinking - pushing air out

Front

When the diaphragm contracts and moves down and the ribs move up and out, the lungs are...

Back

expanding with air