Lesson 1- 4 Flashcards
Egg cell
The reproductive cell from rage female that joins with a sperm to make a new life
Sperm cell
The cell from the make that enepters the egg cell during fertilization
Uterus
Pear shaped Oregon inside female body where the embryo is protected and nourished
Embryo
The developing organism from fertilization to about the eighth week of development.
Fetus
The developing organism from the end of the eighth week until birth
Placenta
Thick rich tissue that kind the walls of the uterus during pregnancy and nourishes the fetus
Umbilical cord
A tube that connects the mothers placenta to the fetus
Cervix
Entry to the uterus
Heredity
Is the passing traits from parents to their children.
Chromosome
Thread like structures found with in the nucleus of a cell that carry the codes for inherited traits
Genes
The basic units of hereditary
Genetic disorder
Disorder caused by a defect in genes
Prenatal care
Steps taken to provide rather health of a pregnant female s d baby
Environment
Sum total of persons surroundings
Birth defects
Are abnormalities present at birth that cause physical or mental disability or death