Video Transcription
cameras, we can actually see the gentle undulation of the vaginal wall with each heartbeat.
During arousal the vagina actually elongates, it balloons and it balloons both to accept the penis
and also for the penis to thrust quite deeply without causing any discomfort to the female.
Extraordinary strength in them. The pelvic floor muscles do two things,
they allow the woman to grip and feel the penis more comfortably and they allow the man more