Respiratory System

We breathe in carbon dioxide and breathe out oxygen

• True

• False

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

NUMBER 2:

• Pharynx

• Bronchi

• Alveoli

• Lungs

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

NUMBER 3:

• Pharynx

• Trachea

• Bronchi

• Alveoli

Inside the lungs, the bronchi divide into smaller tubes. At the end of these tubes, there are tiny sacs called...

• Pharynx

• Trachea

• Lungs

• Alveoli

When we breath in the diaphragm...

• Contracts

• Relaxes

When we breathe out the diaphragm...

• Contracts

• Relaxes

When we breathe out, the ____________ leaves our lungs.

• Carbon dioxide

• Oxygen

Tags

NGSS.MS-LS2-3

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose