Lessons 1-4 Flashcards
The reproductive cell from the female that joins with a sperm cell to make a new life
Egg cell
The joining together of a male sperm and a female egg cell
Fertilization
The cell from the male that enters the egg cell during fertilization
Sperm cell
A pear-shaped organ inside a females body where the embryo is protected and nourished
Uterus
Is the developing organism from fertilization to about the eighth week of its development
Embryo
The developing organism from the end of the eighth week until birth
Fetus
A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus.
Placenta
A tube that connects the mothers placenta to the fetus
Umbilical cord
The entry to the uterus
Cervix
Is the passing of traits from parents to their children.
Heredity
Threadlike structures found within the nucleus of a cell that carry the codes of inherited traits
Chromosomes
The basic units of heredity
Genes
A disorder caused partly or completely by a defect in genes
Genetic disorder
The sum of a persons surroundings
Environment
Steps taken to provide for the health of a pregnant female and her baby
Prenatal care