HS I Respiratory System

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

• mucus
• trachea
• larynx
• epiglottis

Known as the voice box:

• windpipe

• larynx

• pharynx

• epiglottis

A flap of tissue that closes when we eat so food doesn't not go down the trachea:

• larynx

• pharynx

• trachea

• epiglottis

A dome shaped sheet of muscle, the _________, separates the chest from the abdomen:

• diaphragm

• epiglottis

• alveoli

• bronchial tubes

An inflammation in the bronchial tubes that causes a person to have a nagging cough:

• bronchitis

• emphysema

• pneumonia

• cystic fibrous

How is carbon dioxide released from the body? 

• When we exhale
• When we urinate
• When we sweat
• When we inhale

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

• bronchi
• lungs
• oxygen
• alveoli

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

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

The role of the mucus and and cilia in the respiratory system is to....

• warm the air. 
• clean the air.
• humidify the air. 
• All of the choices are true. 

Tubes that move air from the trachea to the lungs.

• Alveoli
• Bronchi
• Veins
• Arteries