| A | B |
| urethra | tube that carries urine and, in males, semen out of the body |
| ovaries | female reproductive organ, eggs are stored and released here |
| Fallopian tubes | tubes near ovaries which carry egg cells to uterus |
| uterus | muscular, pear-shaped organ where embryo develops |
| cervix | narrow opening at bottom of uterus |
| vagina | (birth canal) passageway that leads from uterus to exterior of body |
| estrogen | female sex hormone |
| fertilization | uniting of sperm cell with egg cell to produce new individual's first cell |
| bladder | storage sack for urine |
| ureter | pair of tubes that carry urine from kidneys to bladder |
| vulva | two flaps of skin which cover and protect the opening of the vagina and urethra |