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beginning of life
Definitions
| Term | Definition |
|---|---|
| Fertilization | The joining together of a male sperm cell and a female egg cell. |
| Egg Cell | The reproductive cell from the female that joins with a sperm cell to make a new life. |
| Sperm Cell | The cell from the father that enters the egg cell during fertilization. |
| Tissues | Groups of similar cells that perform a specific function. |
| Organs | Body parts that perform particular functions. |
| Uterus | A pear-shaped organ inside a females body where a fetus is nourished. |
| Embryo | A developing organism from the time of fertilization to about the eighth week of development. |
| Fetus | A developing organism from the end of the eighth week of a mothers pregnancy until birth. |
| Placenta | A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus. |
| Cord | They are all mixed nerves, and they provide a two-way communication system between the spinal cord and parts of the arms, legs, neck and trunk of the body. |
| Umbilical | A tube that connects the fetus and the mothers placenta. |