What does the sudoriferous gland produce?

The sudoriferous gland, also known as the sweat gland, is primarily responsible for producing sweat. These glands play a crucial role in thermoregulation, which is the body's way of maintaining a stable internal temperature. When the body heats up, the sudoriferous glands release sweat, which evaporates from the skin's surface, helping to cool the body down.

Each of the other options represents secretion from different types of glands. Oil is produced by sebaceous glands, which are responsible for keeping the skin and hair moisturized. Tears are produced by lacrimal glands and serve to lubricate and protect the eyes. Sebum, which is an oily substance, is also produced by sebaceous glands and helps prevent the skin from becoming too dry. Thus, sweat is the distinct and primary product of the sudoriferous glands, making it the correct choice.