Human Growth And Development Trivia Quiz

After ovulation, the ovum enters the abdominal cavity and then finds its way into the __________________________.

After about 3 days of constant cell division, a solid mass of cells, called _______________ is formed.

By the time the developing embryo reaches the uterus, it is a hollow ball of cells called a _________________________.

The three primary germ layers are the endoderm, the _______________________, and the ____________________________. (separate the words with a comma)

The development of variuos tissues into organs is called _____________________________.

________________________ twins result from the fertilization of two different ova by two different sperm.