Respiratory System

EXHALE!!!
My lungs are __________________ air. 

• taking in
• letting out

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

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

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

What is the function of the bronchi?

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

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

The Pharynx is the muscle that moves the lungs

• True
• False

Why is the diaphragm important to the respiratory system ?  

• It contracts or expands air from the lungs.
• It helps the system to digest. 
• It helps the system to do its main functions. 
• It helps decrease the carbon dioxide in the system. 

Parts of the respiratory system, check all that apply.

• trachea

• esophagus

• nasal cavity

• lungs

• skin

What is the order that oxygen travels when it is inhaled?

• nasal cavity, bronchi tubes, pharynx, trachea, alveoli

• nasal cavity, pharynx, trachea, bronchi tubes, alveoli

• nasal cavity, trachea, pharynx, bronchi tubes, alveoli

• nasal cavity, trachea, pharynx, alveoli, bronchi tubes