Answer:
One. The "human race" refers to the species homo sapiens, otherwise known as humans. Although we all come in different shapes, colors, and sizes; we are all of the same race/species.
There are 3 races that are Asian, Caucasian, and African. The races have branches of ethnic groups or nationalities. (Indians, Latinos and Middle Easterns are Caucasian) Your race does not only depend on your skin color but it depends on the structure of your bones also