The Nervous System
Today’s horse is the product of millions of years of evolution, during which survival depended on its ability to sense and respond to the environment in which it lived. This included escaping predators, being able to sense the temperature of its surroundings and identify food. While the need to escape predators may not be a requirement for the modern horse, their physiological response to fear is still to run. To achieve this the various systems and organs in the horse’s body must be linked so they work together. The adjustment of an animal’s response to changes in the environment and the complex linking