The first female guest host of “Saturday Night Live” was Candace Bergen.
The average human brain has about 100 billion nerve cells. Nerve impulses to and from the brain travel as fast as 170 miles (274 km) per hour.
The thyroid cartilage is more commonly known as the adams apple.
Blondes have more hair than dark-haired people do.
There are 10 human body parts that are only 3 letters long (eye hip arm leg ear toe jaw rib lip gum).