Sympathetic centers in the hypothalamus control sympathetic activation. When sympathetic activation occurs, we experience ________.

A) increased alertness, through stimulation of the reticular activating system
B) increased activity in the cardiovascular and respiratory centers of the pons and medulla oblongata
C) a general elevation in muscle tone through stimulation of the extrapyramidal system
D) a feeling of energy and euphoria, often associated with a disregard for danger and temporary insensitivity to painful stimuli
E) We can experience all of these.