Respiratory System

We breathe in carbon dioxide and breathe out oxygen

• True

• False

Tags

NGSS.MS-LS1-2

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 breathe out, the ____________ leaves our lungs.

• Carbon dioxide

• Oxygen

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose

What does the hair in your nose do?

• For sneezing

• Collects dust particles

• Just to make your nose look nice

Inhale!!!!
Your lungs are ___________  air

• taking in
• letting out

Tags

NGSS.HS-LS1-3

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out

Tags

NGSS.HS-LS2-5

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

The two main branches from the trachea (one to each lung)

• bronchi
• alveoli
• capillaries
• bronchioles

a flap of tissue that closes when we eat so food doesn't not go down the trachea

• larynx
• pharynx
• trachea
• epiglottis