Most people think of the gonads as the male testicles. Scottish Dunface. The fleshy area located just above the top of the vaginal opening is called the mons pubis. We do this through our genesthe special carriers of human traits. Hymens are often different from female to female.
There are two stages of meiosis: meiosis I and meiosis II. If a sperm cell containing an X chromosome fertilizes an egg, the resulting zygote will be XX or female. Once meiosis II is complete, the cell is called an ovum and can fuse with the sperm cell. At the end of meiosis I, two daughter cells are produced.
Male and female sex cells are dramatically different from one another in size and shape. Remember me Password recovery. The midpiece region contains several mitochondria which provide the energy for the motile cell.
Once the egg is in the fallopian tube, tiny hairs in the tube's lining help push it down the narrow passageway toward the uterus. The umbilical cord comes out with the baby. The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. After about 8 weeks, the embryo is about the size of a raspberry, but almost all of its parts — the brain and nerves, the heart and blood, the stomach and intestines, and the muscles and skin — have formed.
The Hereford is still seen in the Herefordshire countryside today  and featured prominently at agricultural shows. The male reproductive system and the female reproductive system both are needed for reproduction. The Journal of Heredity.
Until the 18th century, the cattle of the Herefordshire area were similar to other cattle of southern England, being wholly red with a white switch, similar to the modern North Devon and Sussex breeds. It can take up to 2 years from menarche for a girl's body to develop a regular menstrual cycle.
The baby's head usually comes first. The blastocyst burrows itself into the lining of the uterus, called the endometrium. If a female and male have sex within several days of the female's ovulation, fertilization can happen.