Respiratory System

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• o break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

• diapragm

• lungs

• trachea

What is function of the dome-shaped diaphragm muscle?

• This is where gas exchange happens.

• Air passes through the diaphragm on the way to the lungs.

• It attaches to the lungs and contracts and relaxes to help in breathing.

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

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

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

• bronchi

• alveoli

• capillaries

• bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 

• trachea 
• bronchi 
• alveoli
• diaphragm

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

Inhale!!!!
Your lungs are ___________  air

• taking in
• letting out

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out