These and other typical bird behaviors require advanced sensory organs and a powerful brain to match. However, bird brain power relies on a broader system that includes a spinal cord and an intricate ...
Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord ...
Butterflies in your stomach. Bad gut feeling. These are all phrases many people use to describe fear and anxiety. You have likely felt anxiety inside your chest or stomach, and your brain usually ...