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 is a feeling of fear or uneasiness. Mild anxiety is part of every day life. You might feel anxious before you take a test or attend an important meeting at work. This kind of anxiety can help you by making you more alert or careful. Mild anxiety goes away after you're out of the situation that caused it.