Examlex
The thirst center in the hypothalamus is stimulated by ________ of the extracellular fluid, and is inhibited by ________.
Xenon-133
A radioactive isotope of xenon used in medical imaging to assess pulmonary function and blood flow.
Strontium-87
An isotope of strontium, used in various scientific applications, including studying geological processes.
Potassium-42
An isotope of potassium with a mass number of 42, known for its radioactivity and used in various scientific studies.
Department Of Homeland Security
A federal department in the United States established to protect the country from terrorist attacks and respond to natural disasters.
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