The human reproductive system is different in males and females. When a sperm and egg join, the egg is fertilised and a baby starts to develop. Its mother provides all a baby’s needs until it is born.
Which of the following is not a part of the male reproductive system?
Which of the following is not a part of the female reproductive system?
What are the male sex cells called?
Where are the male sex cells made?
In the testes
In the sperm ducts
In the penis
What are the female sex cells called?
About how long does the menstrual cycle take?
About 5 days
About 14 days
About 28 days
What is ovulation?
The release of a mature egg cell
The loss of the lining of the uterus
The joining of a male sex cell and a female sex cell
What substance passes through the placenta to the baby?
How long is gestation in humans?
Which change during puberty happens to boys and girls?
Facial hair grows
Underarm hair grows