Examlex
Evaluate or simplify the following the expression.
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Skin
the body's largest organ, providing a protective barrier against mechanical impacts, microbes, and elements of the environment.
Serous Membrane
Body membrane in the thoracic and abdominal cavities that secretes a watery lubricant.
Mucous Membrane
Moist tissue layer lining several body cavities and internal organs, including the mouth, nose, and lungs, secreting mucus for protection and lubrication.
Heart
A muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system by rhythmic contraction and dilation.
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