Question

secretions from which glands help to cool the skin?
mammary glands
pancreas
sebaceous glands
merocrine glands

Explanation:

Merocrine glands, also known as eccrine glands, secrete sweat. When sweat evaporates from the skin surface, it takes heat away and cools the body. Mammary glands produce milk, the pancreas has digestive and hormonal - related functions, and sebaceous glands secrete sebum for skin and hair lubrication.

Answer:

Merocrine glands