a cartilaginous structure at the top of the trachea, enable speech

membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi

tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body

gas we breathe out

the cavity behind the nose and above the roof of the mouth that filters air and moves mucous and inhaled contaminants outward and away form the lungs.

warms, moistens, & filters air as it is inhaled

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

two spongy organs, located in the thoracic cavity enclosed by the diaphragm and rib cage, responsible for respiration

voice box; passageway for air moving from pharynx to trachea; contains vocal cords

The main air tube leading into the respiratory system. The trachea is made of alternating rings of cartilage and connective tissue.

Lungs, bronchi, trachea, larynx, nose

system responsible for taking in oxygen and releasing carbon dioxide using the lungs

The process of breathing. One inhale and one exhale

Two short branches located at the lower end of the trachea that carry air into the lungs.