Respiratory System

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

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

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

Name the organ labeled #8

• alveoli 
• bronchi 
• trachea 
• lungs 

What is the main organ in the respiratory system?

• Kidney
• Heart
• Lungs
• Diaphragm

What type of cells carries oxygen?

• red blood cells
• white blood cells
• neurons

The muscle that helps us breathe in air is called the.....

• diaphram
• bicep
• leg
• breathing muscle

When you exercise, your heart beats faster to...

• spread oxygen throughout your body more quickly.
• make you feel excited.
• let you know you're working hard.
• inflate your lungs

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-3