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Respiratory System

FVDC Health: Systems of the Body
Across
small flap of tissue that normally closes over the tracheal opening when food is swallowed; prevents food and liquid from entering the larynx
the chemical reaction in which oxygen from the air we breathe is combined with the glucose from the food we eat to produce energy, carbon dioxide, and water vapor
in the lungs, the tiny, thin-walled sacs arranged in grapelike clusters at the end of each bronchiole; oxygen and carbon dioxide exchange takes place between the alveoli and capillaries.
Down
The organ that enable the transfer of oxygen into the bloodstream, and CO2 back into the air from the body.
the bronchi branch into these smaller and smaller tubes. At the end of these tubes are clusters of tiny, thin-walled sacs.
tubelike passageway for both food and air through which inhaled air passes after it is warmed and moistened in the nasal cavity.
muscle beneath the lungs that contracts and relaxes with breathing and that helps move air in and out of the body.
two short branches at the lower end of the trachea that carry air into the lungs.
tube with rings of cartilage to keep it open & prevent it from collapsing; is lined with mucous and cilia to trap dust, bacteria and pollen.
airway to which the vocal chords are attached