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G&R vocab
growth and development vocab
| Question | Answer |
|---|---|
| Fertilization | The joining together of a male sperm cell and a female egg |
| Embryo | a developing organism from the time of fertilization to about the eighth week of development |
| Fetus | a developing organism from the end of the eighth week of the mothers pregnancy until birth |
| Placenta | a thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus |
| Umbilical cord | a tube that connects the fetus to the mothers placenta |
| cervix | the entrance of the uterus |
| scrotum | muscular sac that contains the testes |
| Vas deferens | tubes that extend from each epididymis to the urethra |
| Sperm | the male sex cell that enters the egg sell during fertilization |
| Epididymis | a network of tubes in which the sperm matures and are temporarily stored |
| testes | two small glands that produce sperm and hormones |
| testosterone | primary male sex hormone |
| pituitary gland | a gland that signals other endocrine glands to produce hormones when needed |
| endocrine system | the bodies chemical communication system that regulates many functions |
| estrogen | female sex hormone |
| ovulation | the release of one mature egg cell each month |
| menstruation | lining material, the unfertilized egg, and some blood that flows out of the body |
| uterus | a pear shaped organ inside the females body where a fetus is protected and nourished |
| vagina | a muscular passage-way from the uterus to the outside of the body |
| egg | the reproductive cell from the female that joins with a sperm cell to make a new life |
| endometrium | the lining of the uterus |
| abstinence | the conscious, active choice to not participate in high-risk behaviors |