Human Growth and Development Crossword

This printable crossword puzzle has 20 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

An orderly change over time increasing.
Genes displayed.
Females contain 400,000 at birth.
Sperm and egg unite.
Growth of testes 1st sign.
Passion, commitment, intimacy.
Genetic influence.
Environmental influence.
# of human chromosomes.
Genes inherited.
Mothers who smoke increase risk.
Cycle regulated by hormones.
Sclerosis caused by hardening.
Fertilized egg's first 2 weeks.
In the US kids 3 million reported cases/year.
Conception to birth.
The developmental period between adolescence and old age.
Born in a specific period.
Function of getting older.
12 to 20 years, until independent of parents.