Respiratory system

tiny sacs of lung tissue specialized for the movement of gases between air and blood.

• lungs

• bronchi

• alveoli

• diaphragm

tiny, hairlike projections in the airway that move in a wavelike manner.

• alveoli

• cilia

• trachea

• lungs

the windpipe; a passage through which air moves in the respiratory system.

• trachea

• lungs

• larynx

• bronchi

What word best describes the function of the trachea?

• Pumping station

• Entrance point

• Muscle

• Passageway

Where does oxygen initially enter into the body?

• nose and mouth

• eyes

• brain

• throat

What are the tiny air sacs where gas exchange occurs?

• alveoli

• bronchi

• trachea

• bronchioles

What is another name for the upper part of the throat?

• bronchioles

• pharynx

• larynx

• alveoli

What are the smaller tubes in the lungs?

• epiglottis

• alveoli

• larynx

• bronchioles

What muscle that moves air in and out of the lungs?

• diaphragm

• ribs

• lungs

• heart

What part of the respiratory system is your vocal cords?

• pharynx

• epiglottis

• larynx

• trachea