Trivia: Which system are teeth part of?
Skeletal system
Integumentary system
Urinary system
Digestive system
Correct Answer: Digestive system
So why is this answer correct? : Teeth are part of the digestive system, breaking down food before it’s swallowed. Despite its resemblance to bones, teeth are actually ectodermal organs, which develop when the fetus is still in the womb. The enamel surrounding a tooth’s exterior is the hardest substance in the human body.