Which gland is known for producing sweat and saliva?

The correct choice is exocrine glands, which are specifically designed to produce and secrete various substances, including sweat and saliva. Exocrine glands release their products onto epithelial surfaces either directly or through ducts. For instance, sweat glands secrete sweat onto the skin's surface to help regulate body temperature, while salivary glands produce saliva that aids in digestion and maintains oral health by lubricating food and providing antimicrobial properties.

In contrast, the thyroid gland primarily produces hormones like thyroxine, which regulate metabolism and do not secrete fluids like sweat or saliva. Sebaceous glands are responsible for producing sebum, an oil that lubricates the skin and hair, rather than sweat or saliva. The adrenal gland produces hormones like adrenaline and cortisol, which are involved in stress responses and metabolism, rather than fluids secreted at the body's surface. Thus, the role of exocrine glands encompasses the secretion of both sweat and saliva, making it the best answer to the question.