Physical anthropologists view humans as biological organisms. Coupled withgenetics and biochemistry, scientists can form a more complete picture of human anatomy, both past and present. Physical anthropology looks at human variation and evolution. Variation looks at the biological differences that e...

For many years before a baby is conceived, the bodies of his parents have been getting ready for his conception. The mother's body has been producing egg cells (ova), and the father's sperm cells (spermatozoa) to fertilize them. Once an egg is fertilized, the baby needs a place to grow and develop;...

For many years before a baby is conceived, the bodies of his parents have been getting ready for his conception. The mother's body has been producing egg cells (ova), and the father's sperm cells (spermatozoa) to fertilize them. Once an egg is fertilized, the baby needs a place to grow and develop;...