Answer the following question given this paragraph: 

The breasts are not directly involved in reproduction, but they nourish a baby after birth. Each breast contains mammary glands , which secrete milk. The milk drains into ducts leading to the nipple. A suckling baby squeezes the milk out of the ducts and through the nipple.


Q: What are the glands that secrete milk in a woman's breasts?

 Choices:

- primordial glands

- pituitary glands

- lactic acids

- mammary glands

A:
mammary glands
