RESPIRATORY

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

• air/oxygen

• oxygen/carbon dioxide 

• carbon dioxide/waste 

• waste/air 

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

• bronchi

• lungs

• oxygen

• alveoli

Flap of tissue that covers the opening to the windpipe during swallowing

• Pharynx

• Trachea

• Epiglottis

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

Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 

• 1,2,3,4

• 2,3,1,4

• 2,1,3,4

• 4,2,3,1 

Which body function is made possible by the fibrous bands stretched across the larynx?

• swallowing

• breathing

• diffusion

• speech

The left lung has three lobes and the right lung has two. 

• True

• False

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

• Sinus

• Nose

• Pharynx

• Larynx

The process of diffusing oxygen from the blood, into the interstitial fluid and into the cells.

• inspiration

• expiration

• internal respiration

• external respiration

The process of exchanging oxygen and carbon dioxide in the lungs.

• inspiration

• expiration

• internal respiration

• external respiration