Body Systems

The respiratory system helps you ___________.

• pump blood

• eat

• digest

• breathe

The respiratory system includes your nose, mouth, larynx, trachea, lungs, and diaphragm.

• True

• False

You breathe in carbon dioxide.

• True

• False

Tags

NGSS.MS-LS2-3

When you inhale, do you breathe in or out?

• In

• Out

When you exhale, do you breathe in or out?

• In

• Out

What protects your lungs?

• skull

• rib cage

• collarbones

• blood vessels

Your rib cage is part of your ___________ system.

• respiratory

• skeletal

• circulatory

• digestive

You can hold your breath until you pass out.

• True

• False

Tags

NGSS.HS-LS1-3

Which lung is BIGGER than the other?

• Right

• Left

Why is your left lung smaller?

• It doesn't grow as quickly.

• The right side of your body is bigger.

• It makes room for your heart.