An introduction to the amazing functions of the human body's nervous system. An introduction to the amazing functions of the human body's nervous system. This extremely advanced part of our biology is ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

Long after a traumatic event has passed, a person’s nervous system can be reactivated whenever they perceive danger, whether or not danger is present. This feeling of heightened arousal is like being ...