| A | B |
|---|
| testes | the male produces sperm in this organ |
| reproductive tract | the male releases sperm into this |
| fertilization | takes place when the sperm meets the egg |
| ovary | releases the ovum |
| umbilical cord | connects the placenta to the unborn child |
| placenta | also called the "after birth" |
| 1/3 | the amount of American femals teenagers that become pregnant in the U.S. |
| menstruation | begins in puberty in girls |
| gestation | the time from fertilization to birth |
| placenta | provides oxygen and nutrients to the unborn child |
