Respiratory System

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

Tags

NGSS.MS-LS1-3

NUMBER 2:

• Pharynx

• Bronchi

• Alveoli

• Lungs

Tags

NGSS.HS-LS2-5

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

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

Inhale!!!!
Your lungs are ___________  air

• taking in
• letting out

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out

NUMBER 3:

• Pharynx

• Trachea

• Bronchi

• Alveoli

When we breathe out, the ____________ leaves our lungs.

• Carbon dioxide

• Oxygen

Tags

NGSS.5-LS2-1

the windpipe; a passage through which air moves in the respiratory system.

• trachea

• lungs

• larynx

• bronchi