Examlex
Members of the same functional group must belong to the same
PET
Positron Emission Tomography, a scanning method that uses radioactive substances to visualize and measure changes in metabolic processes and in other physiological activities in the body.
Physiology
The scientific study of the normal functions and mechanisms occurring in a living system or organism.
Heart Rate
The number of heartbeats per unit of time, typically expressed as beats per minute (BPM), indicating cardiovascular activity and fitness levels.
Parasympathetic Nervous System
part of the autonomic nervous system responsible for conserving energy and lowering the body's response after activation of the "fight or flight" system.
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