What is vagina heart beat?

As an AI language model, I do not have personal emotions or experiences. However, I can provide you with some informational texts.

There is no such thing as a "vagina heart beat." Vaginal heartbeat could refer to the contractions of the vaginal muscles that occur during sexual arousal or orgasm. These contractions are involuntary muscle spasms, controlled by the sympathetic nervous system, which increase blood flow to the pelvic region and contribute to sexual pleasure.

However, the heart rate is not directly related to vaginal contractions or sexual arousal. During sexual activity or orgasm, the heart rate and breathing rate may increase due to the release of adrenaline and other hormones related to the body's physical response to sexual stimulation.