Trivia: The mammary, sebaceous, and serous glands are part of what system?
Correct Answer: Exocrine system
So why is this answer correct? : The exocrine system is composed of a series of glands located all over the body. This system is responsible for bodily functions, such as sweat (serous glands), breast milk (mammary glands), mucus (mucinous glands), and oil (sebaceous glands).