Respiratory System

What is the respiratory system?

• The body's system of nerves.
• The body's breathing system
• The body's food-processing system
• The body's blood-transporting system

Air enters the body and to the lungs...

• through the mouth and the nose
• through the esophagus and gullet
• through the windpipe and the pores
• through the nose and the nervous system

What is another name for the windpipe?

• Lungs
• Larynx
• Trachea
• Esophagus

What important activity takes place in the lungs?

• Food is digested.
• Liquid waste is filtered from the blood.
• Oxygen is exchanged for carbon dioxide.
• The trachea is exchanged for the larynx.

_{Which organ is made up of air-carrying tubes and tiny sacs?}  

• The brain
• The lungs
• The stomach
• The diaphragm

The lower respiratory tract includes?

• alveoli, squamous, epithelial cells, and pharynx
•  capillaries, alveoli, nose, pharynx
• oropharynx, bronchioles, lungs
• trachea, bronchi, bronchioles, lungs, alveoli

What is the main bone structure that protects the lungs

• Vertebrae
• Rib cage
• Skull
• Pelvis

Name the structure labeled 8 

• lungs 
• trachea 
• diaphragm 
• alveoli 

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

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

• bronchi
• lungs
• oxygen
• alveoli