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Bloodstream
The flowing blood within the circulatory system of a body, responsible for transporting nutrients and removing wastes.
Functional Magnetic Resonance Imaging
A neuroimaging procedure that measures brain activity by detecting changes in blood flow, often used to observe mental processes.
PET Scan
A medical imaging technique that uses a radioactive substance to visualize and measure metabolic processes in the body.
Positron-Emission Tomography
A diagnostic imaging test using a radioactive substance to visualize and measure changes in metabolic processes and other physiological activities.
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