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health vocab
growth & development unit
| Question | Answer |
|---|---|
| fertilization | the joining together of a male sperm cell and a female egg cell |
| 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 mother's 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 and the mother's 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 cell during fertilization |
| epididymis | a network of tubes in which the sperm mature and are stored temporarily |
| 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 body's 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 flow out of the body |
| uterus | a pear shaped organ inside a female's body where a fetus is protected and nourished |
| vagina | a muscular passage-way from the uterus to outside 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 not to participate in high-risk behaviors |