Respiratory System- Body Systems Unit

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

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

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

• Pharynx

• Trachea

• Epiglottis

A chamber behind the nose and mouth that leads to the trachea

• pharynx
• trachea
• epiglottis
• larynx

What is the site of gas exchange?

• alveoli

• nose

• lung

• bronchi

Olfactory receptors are located in the mucosa of the nose. What are these receptors used for?

• sight

• smell

• touch

• taste

The Immune systems response to an ordinarily harmless substance. 

• Asthma
• Emphysema
• Allergies
• Lung Cancer

Disease in which the alveoli are damaged or destroyed. Strongly linked to smoking.

• Allergies
• Emphysema
• Asthma
• Pneumonia

Tube that carries oxygen from the mouth to the Bronchi. (#5)

• Bronchioles
• Alveoli
• Esophagus
• Trachea

An increase in breathing rate can be triggered by an increase in the

• carbon dioxide content of the blood

• oxygen content of the atmosphere

• number of platelets in the blood

• number of red blood cells

What type of blood cells transport oxygen?

• Platelets
• White blood cells
• Red blood cells