Respiratory System Intro

which organ moistens and warms air?

• trachea

• mouth

• nose

what in the nasal cavity traps bacteria?

• hair

• water

• mucus

which is better for inhaling, mouth or nose?

• mouth

• nose

found at the top of the winpipe

• larynx

• pharynx

• epiglottis

these branch off from the trachea

• bronchi

• bronchioles

• alveoli

these prevent the trachea from collapsing.

what is shown in the image above?

• lungs

• bronchioles

• alveoli

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

• epiglottis

• bronchi

• alveoli

• diaphragm

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

Smaller tubes within the lungs

• bronchioles

• bronchi

• alveoli