Examlex
Within a specialization hierarchy, a supertype can exist only within the context of a subtype.
Bloodstream
The flowing blood within the circulatory system of a body, transporting oxygen, nutrients, and waste materials to and from the cells.
Acidic
Refers to substances with a pH less than 7, which are characterized by their sour taste and ability to turn blue litmus paper red.
Pleural Membranes
Thin layers of tissue that envelop the lungs and line the interior wall of the chest cavity, facilitating smooth movement of the lungs during breathing.
Ventilation
The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, particularly to remove carbon dioxide and bring in oxygen.
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