Female Reproductive SystemUploader: Ninris 3 month ago Subscribe 6115
The genes that parents pass along are what make their children similar to others in their family, but also what make each child unique. In the human reproductive process, two kinds of sex cells, or gametes, are involved. The vagina is about 3 to 5 inches 8 to 12 centimeters long in a grown woman. These genes come from the nude beach voyerism sperm and the female's egg. About a week after the sperm fertilizes the egg, the how to release girlswhite sperm in sex image egg zygote has become a multicelled blastocyst. It can take up to 2 years from menarche for a girl's body to develop a regular menstrual cycle. The secretion of these hormones causes a girl to develop into a sexually mature woman. During that time, her body is adjusting to the hormones puberty brings.