Which function of the skin protects the body by sending messages to the brain?

The function of the skin that is responsible for protecting the body by sending messages to the brain is sensation. The skin is equipped with various specialized nerve endings and sensory receptors that detect stimuli such as touch, temperature, pain, and pressure. When these receptors are activated, they transmit signals through the nervous system to the brain, where the information is processed. This communication is crucial for the body’s ability to respond to environmental changes and potential hazards, enabling reflexes and protective responses.

For instance, if a person touches something hot, the sensory receptors in the skin rapidly send signals to the brain, prompting an immediate withdrawal response to prevent burns. Thus, sensation not only helps the body understand its environment but also plays a vital role in protecting it from harm.