Which of the following is NOT a function of the skin?

• A. Protection from external factors
• B. Regulation of body temperature
• C. Production of hormones
• D. Facilitation of sensation

Answer: (C)

The skin has several vital functions, and while it plays a significant role in processes like protection, thermoregulation, and sensation, the production of hormones is not primarily one of its functions.

The skin acts as a barrier, protecting the body from various external factors such as pathogens, chemicals, and physical injuries, which highlights its protective role. Furthermore, it helps regulate body temperature through mechanisms like sweating and blood flow adjustments, allowing the body to maintain homeostasis. The skin also contains sensory receptors that facilitate the sensation of touch, temperature, pain, and pressure, playing a crucial role in how we perceive the environment.

On the other hand, while the skin does participate in certain hormonal processes, such as the synthesis of vitamin D upon exposure to sunlight, it doesn't produce hormones in the same way endocrine glands do. Thus, the assertion that the production of hormones is a primary function of the skin does not accurately reflect its physiological roles.