Chapter 17 Flashcards
The cell that joins with the male sperm cell
Egg cell
When a sperm cell and egg cell join together
Fertilization
The male cell that joins with the egg cell
Sperm cell
Pear shaped organ that protects and nourishes the embryo
Uterus
Developing organism from fertilization to about the eighth week of its development
Embryo
Developing organism from the end of the eighth week until birth
Fetus
Thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus
Placenta
Tube that connects the mothers placenta to the fetus
Umbilical cord
Entry to the uterus
Cervix
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
Basic unit of heredity
Genes
Disorder caused partly or completely by a defect in genes
Genetic Disorder
Sum total of a persons surroundings
Environment
Steps take 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
Development Tasks
First year of life
Infancy
Children between the ages of one an three who are learning to walk and talk
Toddlers
Children between the ages of three and five
Preschoolers
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 connections you have with others
Social age