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chap. 19 health
Question | Answer |
---|---|
union of a male sperm cell and female egg cell | fertilization |
zygote attaches to the uterine wall | implantation |
cluster of cells that develop between the third and eighth weeks of pregnancy | embryo |
after the eighth week this group of cells is called this | fetus |
thin, fluid filled membrane that surrounds and protects the developing embryo | amniotic sac |
a rope-like structure that connects the embryo and the mothers placenta | umbilical cord |
thick, blood rich tissue that lines the walls of the uterus during pregnancy and nourishes the embryo | placenta |
final stage of pregnancy in which the uterus contracts and pushes the baby our of the mother's body | labor |
steps that a female can take to provide for her own health and the health of the baby | prenatal care |
a facility in which a woman with low risk pregnancies can deliver their babies in a homelike setting | birthing center |
a group of alcohol-related birth defects that includes both physical and mental problems | fetal alcohol syndrome |
the spontaneous expulsion of a fetus that occurs before the twentieth week of a pregnancy | miscarriage |
a dead fetus expelled from the body after the twentieth week | stillbirth |
passing of trait from parents to children | hereditary |
threadlike structure found within the nucleus of a cell that carry the codes for inherited traits | chromosomes |
basic units of hereditary | genes |
the chemical units of hereditary | DNA |
disorders caused partly or completely by a defect in genes | genetic disorders |
procedure in which a syringe is inserted into a pregnant female's abdominal wall into the amniotic fluid surrounding the developing fetus | amniocentesis |
chronic villi sampling | |
process of inserting normal genes into human cells to correct genetic disorders | gene therapy |
events that need to happen in order for a person to continues growing toward becoming a healthy mature adult | developmental tasks |
the confidence that a person can control his or her body, impulses, and environment | autonomy |
an abnormal lateral, or side to side, curvature of the spine | scoliosis |