Examlex
When Brett walks out of the theater into the glare of the sun, his _______________ get smaller to let less light in.
Sympathetic Nervous System
A part of the autonomic nervous system that prepares the body for quick response to stressful situations.
Respiration
The biochemical process in living organisms involving the exchange of oxygen and carbon dioxide between the organism and its environment.
Sympathetic Nervous System
A branch of the autonomic nervous system that activates what is often termed the fight or flight response during times of stress.
Physiological Reactions
The body's automatic responses to external or internal stimuli, which can include changes in heart rate, blood pressure, and hormone levels.
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