Examlex
The decimal number 0.0210 expressed in scientific notation is 2.10 × 10-2.
Hormones
Chemical messengers produced by endocrine glands that regulate various bodily functions and processes.
Sympathetic Nervous System
A part of the autonomic nervous system that prepares the body for action by accelerating the heart rate, constricting blood vessels, and raising blood pressure.
State of Arousal
A condition of heightened physiological and psychological activity, including alertness and physical preparedness.
Blood Pressure
The pressure exerted by circulating blood upon the walls of blood vessels, a critical indicator of cardiovascular health.
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