Examlex
A standard scheme,called the ________,devised in the early 20th century,is used to describe the world's diverse climates.
Physiological Aroused
A physical state of heightened alertness and readiness for action, often as a response to a stimulus, involving changes in heart rate, blood pressure, and muscle tension.
Physiological Reaction
Responses within the body to external stimuli, including changes in heart rate, hormone levels, or respiration.
Fear
A primal emotion experienced in anticipation of some specific pain or danger, often causing behavioral changes such as fleeing or hiding.
Epinephrine
A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., heart rate) and part of the body's fight-or-flight response.
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