Lessons 1-4 Flashcards
(24 cards)
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
Abnormalities present at birth that cause physical or mental disability or death
Birth defects
Events that need to happen in order for you to grow toward becoming a healthy, mature adult
Developmental tasks
The first year of life
Infancy
Children between the ages of one and three who are learning to walk and talk
Toddlers
Children between the ages of three and five
Preschoolers
Is the time when you start developing physical characteristics of adults of your gender
Puberty
Age measured in years
Chronological age
Age determined by how well various body parts are working
Biological age
Age measured by your lifestyle and the connection you have with others
Social age
