This printable crossword puzzle on the topic of Human Body Systems has 18 clues. Answers range from 3 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
when the egg leaves the ovary
make sperm
make eggs
time when a child begins to change into an adult
special chemicals which cause puberty
male hormone
female hormone
carry sperm from the testis to the penis
holds the testes outside the body
where fertilization takes place
where the baby develops during pregnancy
cycle which occurs once a month when a woman releases an egg
when the egg and sperm fuse
if an egg is not fertilised it will
the fetilised egg is called an
organ which feeds the baby
cord which connects the baby and the mother
at 9 weeks the embryo is now called