LUNGS AND BREATHING

How does the air pass from your nose to your lungs?

• Food pipe

• Wind pipe

what is weight of lungs?

• 1 kg

• 3 kg

• 7 kg

The right lung is smaller than the left lung.

• True

• False

What filters the air inside your nose?

• Nostrils

• Skin

• Hairs

where in your nose the air happens to be moistened?

• Mouth

• Tongue

• Hairs

• Cavity at the back

what makes the ribs move up and outwards?

• Bones

• Muscles