The Reproductive System

What is the definition of uterus?

• The organ in which a fertilized egg develops into a baby.

• The organ in which an ovary develops into a fetus.

• The organ in which produces hormones.

What is the definition for vagina?

• It is the fertilized egg in the female body.

• It fertilizes the embryo.

• It is the canal between the uterus and the outside of the body.

What is the definition of sperm?

• The main organs of the male reproductive system.

• The male cells that are used for reproduction.

• The organ that delivers semen into the female reproductive system.

What is an egg in the female reproductive system?

• It is a network of blood vessels that provides the embryo with oxygen and nutrients from the mother's blood and carries away wastes.

• It is a sac filled with fluids.

• It is the female sex cell.

What is the function of the male reproductive system?

• It makes sperm and male hormones.

• To produce testosterone.

• To produce eggs for the female reproductive system.

What is the function of the female reproductive system?

• To have a menstrual cycle every month.

• To make eggs and female hormones and nurture fertilized eggs during pregnancy.

• To produce estrogen.

What is the process of fertilization and implantation?

• The egg travels to the testes and implants itself to make an embryo.

• The sperm travels to the embryo to make hormones. Then is implanted to produce cells for the embryo.

• A sperm cell enters an egg and the genetic material of both cells combines. During implantation, the fertilized egg becomes embedded into the thick lining of the uterus and develops there.

What causes sexually transmitted infections (STIs)?

• They are caused by viruses, bacteria, or parasites, and are transmitted through sexual contact.

• They are caused by poor hygiene.

• They are caused by using the same restroom facilities as a person with an STI.

How does a fetus get nourishment up until the time it is born?

• By the umbilical cord.

• By the placenta.

• By the milk duct of the mother's breast.

This graph shows the growth rate in boys and girls as they age. At what age is the difference between the average height of boys and girls greatest? Estimate the difference to the nearest centimeter.

• Age 12; the average difference in height is roughly 14 cm.

• Age 8; the average difference in height is roughly 5 cm.

• Age 16; the average difference in height is roughly 15 cm.