amnion, bag of fluid around the foetus, cervix, muscular opening to the uterus, contract, when muscles get shorter, embryo, ball of cells, fertilisation, when a sperm and egg fuse together, menstrual cycle, 28 day cycle that includes a period, placenta, where the foetus gets nutrients from the mother's blood, penis, male reproductive organ, oviduct, tube an egg travels along, puberty, when a child changes into an adult, umbilical, cord that connects to belly button, vagina, female reproductive organ, uterus, where the baby develops, foetus, the developing baby in the uterus, sperm, male sex cell, testes, organ that produces sperm, ovaries, organ that produces eggs

Leaderboard

Visual style

Options

Switch template

Continue editing: ?