What type of tissue carries messages to and from the brain?

Nerve tissue is the correct choice because it is specifically designed for the purpose of transmitting signals throughout the body. This type of tissue is composed of neurons, which are specialized cells that can generate and propagate electrical impulses, as well as glial cells that support and protect neurons.

Nerve tissue is integral to the nervous system, which includes the brain, spinal cord, and peripheral nerves. The primary function of nerve tissue is to communicate information by sending and receiving messages, allowing for coordination of sensory input, motor output, and processing of information. This communication is critical for all bodily functions, from reflexes to complex thoughts and emotions.

The other tissue types serve distinct roles that do not involve message transmission: connective tissue provides support and structure; epithelial tissue forms protective layers and is involved in absorption and secretion; muscle tissue is responsible for movement. Each of these types supports body functions but does not facilitate the rapid transmission of messages as nerve tissue does.