Respiratory System

Microscopic sacs are called:

• alveoli
• bronchi
• villi

The breathing muscle is called:

• Epiglottis
• Bronchiole
• Diaphragm

The trachea branches off into two:

• Alveoli
• Bronchi
• Bronchioles

Another name for the throat is called the:

• Nasopharynx
• Pharynx
• Larynx

The membrane that surrounds the lungs is called:

• Singular Membrane
• Pleural Membrane
• Cellular Membrane

Which body structure protects the lungs from outside harm?

• Cartilage
• Tiny Sacs
• The Rib Cage

What important activity takes place in the lungs?

• Food is digested
• Waste filtered from blood
• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
• Trachea is exchanged for the larynx

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

The Respiratory System is the body's:

• Breathing system
• Food processing system
• Blood transporting system
• System of nerves

To go on living, the body's cells need food, water, chemicals and ...

• Helium
• Oxygen
• Nitrogen
• Carbon Dioxide