Final answer:
Oral stimulation of the female genitals is called cunnilingus, focusing on the vulva and to provide sexual pleasure and arousal.
Step-by-step explanation:
The oral stimulation of the female genitals is known as cunnilingus. This act involves the use of the mouth, lips, and tongue to stimulate the vulva and, which is a highly sensitive external female organ. The purpose of cunnilingus is to provide sexual pleasure and it can lead to arousal and orgasm for some women. The sexual response in humans includes physiological changes such as increased blood flow to the genitals, leading to vasocongestion, and the release of natural lubrication in the vagina.