Emily Norris is the managing editor of Traders Reserve; she has 10+ years of experience in financial publishing and editing and is an expert on business, personal finance, and trading. Dr. JeFreda R.

NARRATOR: We see the former apple, chocolate bar and sandwich have finally made it into the intestines from the stomach. What a lot of pipes! This is the small intestine. Everything that comes in here ...

In the early stages of mammalian embryonic development, the bipotential gonads can differentiate into the testes or ovaries. These organs are essential for gamete production, transmitting genetic ...