Super Minds 2 p.102

How many lungs does a human have?

• one

• two

• three

When you _______, you often breath a lot.

• do sport

• sleep

• eat

When you breathe in, your lungs get ________.

• smaller

• bigger

When you breathe out, your lungs get ________.

• smaller

• bigger

When you do sport you breathe a lot because your lungs need more _______.

• food

• carbon dioxide

• air

Your lungs keep working day and night to give you ________.

• sickness

• viruses

• energy