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Gnetophytes are more closely related to angiosperms than to other gymnosperms.
Physiological Reactions
Physical responses of the body to internal or external stimuli, such as increased heart rate or sweating.
Emotional Reactions
Immediate responses to stimuli or events that are characterized by strong feelings, ranging from joy and love to anger and fear.
Sympathetic Arousal
The state of heightened physiological activity that prepares the body for action, part of the "fight or flight" response.
Parasympathetic Inhibition
The reduction of activity in the parasympathetic nervous system, which may result in increased arousal or decreased bodily functions associated with rest and digestion.
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