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beginning of life


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.
Created by: TurtleTime