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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?
Where are the female sex cells made?
in the ova
in the ovaries
in the uterus
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
Which way does blood normally pass across the placenta?
from the mother to the foetus
from the foetus to the mother
blood does not pass across the placenta
How does a developing foetus get the oxygen it needs?
It uses the umbilical cord like a snorkel.
It is absorbed from the mother by the placenta.
It only needs oxygen once it is born.
What is a change that happens to both boys and girls at puberty?
underarm hair grows
the penis gets bigger
the breasts develop