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.
Introduction. Anxiety is a feeling of unease, such as worry or fear, that can be mild or severe. Everyone has feelings of anxiety at some point in their life. For example, you may feel worried and anxious about sitting an exam or having a medical test or job interview.During times like these, feeling anxious can be perfectly normal.nxiety. Feeling anxious is sometimes perfectly normal. However, people with anxiety disorders find it hard to control their worries. A psychiatrist discusses the symptoms of anxiety, why it becomes a problem for some people, and the psychological and drug treatments for it.