Respiratory System

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 

The circulatory system works with the ___________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).

• respiratory

• digestive

• muscular

• skeletal

The windpipe is also called

• trachea

• alveoli

They are two sacks protected by the ribs.

• alveoli

• lungs

If your epiglottis were to suddenly stop working, what activity could be life threatening?

• Breathin

• Walking

• Coughing

• Eating

MOST respiratory disorders are causes by:

• Infection

• Lack of exercise

• Heredity

• Poor circulation