When fertilization occurs, the ovum and the sperm join together and start developing. The fertilized egg stays in the pregnant woman's womb, a hollow space in her tummy. In this nice warm space, the egg divides into millions of cells to form an embryo, then a fetus and finally a baby… That is born 9 months later!
Medulla Oblongata The lower part of the brain stem ( the part connected to the spinal cord) controls most of the functions you dont think about.<span />
