You won't believe these 10 facts about people. An electrical circuit is a device that uses electricity to perform a task, such as run a vacuum or power a lamp. The circuit is a closed loop formed by a power source, wires, a fuse, a load, and a switch.
anxiety reaction a reaction characterized by abnormal apprehension or uneasiness; see also anxiety disorders. separation anxiety apprehension due to removal of significant persons or familiar surroundings, common in infants 12 to 24 months old; see also separation anxiety disorder.
Anxiety comprises two related concepts. First, it is a disease. Second, it is an adaptive response. As a disease, anxiety is a highly disabling pathological condition, involving cognitive, emotional, and physiological disturbances. Its main symptoms include restlessness, increased alertness, motor tension, and increased autonomic activity [ 2 ].