How does the use of adrenaline in animals, including humans, demonstrate a more widespread and comprehensive form of control and coordination compared to relying solely on electrical impulses?

The use of adrenaline in animals, including humans, demonstrates a more widespread and comprehensive form of control and coordination compared to relying solely on electrical impulses. Adrenaline acts as a hormone, released into the bloodstream, allowing it to reach various target tissues throughout the body. This results in a systemic response, affecting multiple organs and physiological processes simultaneously. Unlike localized electrical impulses, adrenaline facilitates a more widespread and coordinated response, preparing the entire organism for a rapid and integrated reaction to stress. This hormonal mode of communication ensures a holistic and efficient response to challenging situations, demonstrating a higher level of control and coordination.