Both a mom and a dad have things called cells...I'm trying to think of how to put this without making it too complicated. Cells make up what we are, they have little instructions about how to make us, like a little book. We have skin cells, heart cells, brain cells, even hair cells! They are so tiny you can't even see them. In girls and boys we also have cells that have only half of the book that makes us. We have two copies of each page in our whole book, like two pages about eyes or your nose. One page might say blue eyes, while the other says green. It's randomly picked, like ripping pages out of a book without looking. You take half the girl's instructions, which may say something like, blue eyes, red hair, freckles, short, tall, that sort of thing. The same with the boy's. When a baby is made, the instructions come together and make a whole book, a little story you! The baby only starts out as one big cell, one whole book. Then the book makes more copies until you get bigger and bigger. The little cells grow and grow until they make a little bump on the inside of your mom's tummy, until some of the cells say "I'm going to be a heart!" or "I'm going to be a brain!". Eventually, a little heart starts beating, then a little brain forms, then little hands and feet, little faces. One of the interesting things about us growing is when we are so small, every baby, whether it's a giraffe baby, or monkey baby, or a whale baby, looks all alike. In the end, you are half your mom and half your dad and something entirely new!
I think that made no sense and didn't really answer the question, but I was hoping to be non-graphic.
A talk that one should always try to avert until the time is proper. Like many mammals, we grew inside mommy's tummy. All organisms grow and that is the process and effect of time. We also feed from the nutrients that mommy eats. Any more information must come from a foreign source.
Ask your mommy and daddy to tell you about the birds and the bees. Yes, many of us have this knowledge, but trust me this is best explained by your parents!
As all before me has stated please ask your parents...however I still want you to know IT IS BECAUSE GOD HAS BLESSED the woman who carries a baby in her tummy...JUST LIKE YOU !!! You were a blessing to your mommy and daddy...a sweet angel sent from HEAVEN by GOD to be raised by Humans on earth...
That,s where the man,s sperm and the woman,s egg come in. His sperm fertilizes the egg and then it forms a baby. It,s not in the tummy. It,s in her womb.
When a process called sex starts between male and female the genetic orgasm of male and female mix and reaches the fertility level baby starts to grow.