Respiratory System

Tiny blood vessels surrounding the alveoli

• capillaries

• alveoli

• cilia

• larynx

Also called the windpipe

• Larynx

• pharynx

• trachea

• alveoli

Tiny air sacs in the lungs

• alveoli

• capillaries

• trachea

• cilia

Also called the voicebox

• larynx

• pharynx

• trachea

• alveoli

Two tubes that branch off the trachea

• larynx

• pharynx

• alveoli

• bronchi

Also called the throat

• larynx

• pharynx

• trachea

• bronchi

The strong curved muscle attached below the lungs to the lower ribs

• alveoli

• diaphragm

• cilia

• epiglottis

The flap of tissue that covers the trachea when a person swallows

• epiglottis

• larynx

• diaphragm

• vocal chords

Two saclike organs that replace carbon dioxide in your blood with oxygen

• cilia

• bronchioles

• lungs

• bronchi

Where does the exchange of oxygen and carbon dioxide take place?

• bronchi

• pharynx

• trachea

• alveoli