Which of the following is most correct: A. Most spinal nerves contain both somatic and autonomic fibers. B. Most body responses to changing internal and external environments involve both enhanced skeletal muscle and visceral activity C. Somatic and autonomic branches are not truly individual entities, function is well integrated.  D. Higher brain centers regulate both somatic and autonomic function.  E. All these are correct.

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Emotions

Emotions are biologically based psychological conditions caused by neurophysiological changes which are linked to different factors such as thoughts, emotions, behavioral responses, and pleasure or displeasure. These emotions are not similar to moods. The mood is an affective state. Mood depends upon several factors, such as weather, the environment, physiology, etc. Emotions can be beneficial or detrimental depending on the situation. Emotional reactions are simple. Emotional well-being is strongly affected by our well-being, and such feelings are private.