Trachea

Science / Biology / Trachea: In insects and spiders, a series of tubes that carry air directly to cells for gas exchange; in humans, the air-conducting duct that leads from the pharynx to the lungs.

Tracheae

Science / Spiders / Tracheae: The air tubes in insects: in spiders, tubular respiratory organs of different origin: by many thought to be modified book lungs. MORE

Heart

Science / Biology / Heart: The multicellular, chambered, muscular structure that pumps blood through the circulatory system by alternately contracting and relaxing. MORE

Spiracle

Science / Spiders / Spiracle: The opening of the tracheae on the underside of the abdomen. MORE

Hives

Health / Disease / Hives: A skin eruption of smooth, slightly elevated areas on the skin which is redder or paler than the surrounding skin. Often attended by severe itching. Also called cynanche trachealis. In the mid-ninetee MORE

Croup

Health / Disease / Croup: Any Obstructive Condition Of The Larynx (Voice Box) Or Trachea (Windpipe), Characterized By A Hoarse, Barking Cough And Difficult Breathing Occurring Chiefly In Infants And Children. In The Early-Nine MORE

Bronchi

Science / Biology / Bronchi: Tubes that carry air from the trachea to the lungs (sing.: bronchus). MORE

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