Wiktionary
n. (context anatomy English) The passages through which air enters and leaves the body, including the nose and nasal passages, the pharynx, larynx, trachea, lungs, bronchus and alveolus.
WordNet
n. the passages through which air enters and leaves the body
Wikipedia
In humans, the respiratory tract is the part of the anatomy involved with the process of respiration.
Usage examples of "respiratory tract".
It was tear gas and smoke-bomb material, and the mixture had the irritant action on eyes and respiratory tract that could be confused with the deadly dichlorethyl sulphide, or mustard gas.
There are some coughs which are due to causes outside the respiratory tract and if there is no disease of this tract, medical advice should be sought.
We have sterilized your skin and mucous membranes of the respiratory tract as best we can.
It was crucial to determine the mix of bacteria in Nikki's respiratory tract.
The action he was considering taking with regard to the Kelgian theater nurse was dangerous-he had only the vaguest of memories regarding DBLF physiology in the respiratory tract area-and probably unprofessional.
Milton Fricke on the effects of cigarette smoke on the respiratory tract, and he read it as if he'd never seen such dynamic prose.
A respiratory virus would have to go into the respiratory tract, not the stomach.
A moment later, a flood of sweet oxygen flowed from the accessory organ into his respiratory tract.
Almost too late I had been informed that calorie-enrichened plant spores had been discovered in the atmosphere of this world and that they penetrated into the respiratory tract where they deposited their incredible fat contents.
His digestive organs had become inactive because the fat-moss spores penetrated the body exclusively through the respiratory tract.
The variola would speed its way from the respiratory tract to the lymph nodes, then spread to the spleen, bone marrow, and other lymphatic organs.
These cells include, but are not limited to, bacteria normally found in the human digestive tract, vagina, and upper respiratory tract.
He closed his respiratory tract and shut down a number of minor organs, letting his mind drift out onto what humans called the astral plain.
They moved in a strange, hypnotic rippling rhythm, like the cilia in the respiratory tract.