Answer:
lubrication
Step-by-step explanation:
Excitement leads to lubrication that lasts no longer than 10 to 30 seconds. Other than stimulation many psychological changes might be observed as well, such as stimulation of emotions, submissive cortical functioning, dilated pupils and better physical appearance. Along with these factors there are physical factors too, such as increased heart rate, Vestibule expansion, swelling in regions like outer and inner lips, hard chest region