Sperm cells (spermatozoa) are produced by the

In which part of the reproductive tract do the spermatozoa finally encounter the ovum?

Which of the following is not true of the vagina?

If a newborn calf is found dead and you remove a piece of lung and place it in water and find out it sinks, was the calf born dead or alive?

Inflammation of the ovaries is called

Adolescence is

Why are most Asian elephants born between 2 and 4 a.m?

At about 4 months of development, the elephant grows what unique structures that hint of an aquatic ancestor? 

Which structure is a solid ball of cells that forms about 3 days after fertilization?

The sequence of development for the fertilized egg is