Answer:
Relay neurons are found between sensory input and motor output/response. Relay neurons are found in the brain and spinal cord and allow sensory and motor neurons to communicate. Motor neurons are found in the central nervous system (CNS) and control muscle movements.
During stressful situations the sympathetic nervous system is activated <span />
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Objects have more kinetic energy than others because when an object is just sitting their they are not using any energy but then they save energy.