Human reproduction
The process by which living things produce offspring.
What is reproduction?
The jelly-like clusters of eggs laid by frogs.
What is frogspawn?
The organ that produces sperm cells.
What are the testes?
The monthly cycle that prepares the body for pregnancy.
What is the menstrual cycle?
The organ that provides oxygen and nutrients to the developing baby.
What is the placenta?
The male reproductive cell.
What is a sperm cell?
The young frog that hatches from frogspawn.
What is a tadpole?
The organ where a baby develops before birth.
What is the uterus (womb)?
The release of an egg from an ovary.
What is ovulation?
The fluid that protects the baby in the womb.
What is amniotic fluid?
The female reproductive cell.
What is an egg cell?
The process of a complete change in body form as a frog grows.
What is metamorphosis?
The tube that carries an egg from the ovary to the uterus.
What is the oviduct?
The lining that thickens in preparation for pregnancy.
What is the uterine lining?
The cord that connects the baby to the placenta.
What is the umbilical cord?
The joining of a sperm and egg cell nucleus.
What is fertilisation?
The structure that tadpoles use to breathe underwater.
What are gills?
The female organ that produces egg cells.
What is an ovary?
The shedding of the uterine lining if pregnancy does not occur.
What is menstruation (a period)?
The stage of development after about 8 weeks in the womb.
What is a foetus?
Has a tail to swim and chemical in the head to break into the egg cell.
How is the sperm cell specialised to perform it's job?
The stage between a tadpole and an adult frog.
What is a froglet?
The tube through which sperm leaves the testes.
What is the sperm duct?
The approximate length of a typical menstrual cycle.
What is about 28 days?
Digested food and oxygen.
What passes from the mother's blood to the baby?