Respiratory System

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

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

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

• bronchi
• alveoli
• capillaries
• bronchioles

The air sacs that are covered with capillaries that separate gases we need from gases we don't need.

• bronchi
• lungs
• oxygen
• alveoli

What is the function of the bronchi (bronchial tubes)?

• Transport air from nose to lungs
• Transport air from trachea to lungs
• Transport air from lungs to alveoli
• Transport air from alveoli to blood

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

What are the main organs of gas exchange in the respiratory system?

• diapragm
• lungs
• trachea
• bronchi

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

• trachea 
• bronchi 
• alveoli
• diaphragm

Name the organ labeled #8

• alveoli 
• bronchi 
• trachea 
• lungs 

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

• esophogus
• bronchi
• trachea
• alveoli

Name the structure labeled #6

• lungs 
• trachea 
• diaphragm 
• alveoli