The female reproductive system is all the parts of your body that help you reproduce, or have babies. And it is quite amazing! Consider these two fabulous facts:
Your body likely has hundreds of thousands of eggs that could grow into a baby. And you have them from the time you’re born.
Right inside you is a perfect place for those eggs to meet with sperm and grow a whole human being!
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Like Arousal causes the release of sperm.....similarly orgasm causes the release of hormones which is essential for the upcoming fertilisation process in female reproductive system.....Hence orgasm keeps the arousal(pleasure) going for smooth and safe sex to take place.....!!!