Swelling. Swelling (edema) is a build-up of water in the tissues. This can be caused by retaining salt and water due to medicines or heart, liver, or kidney failure. It can sometimes be due to poor nutrition, pelvic tumors, or a blockage in the veins or lymph system.
Reactance, denoted X, is a form of opposition that electronic components exhibit to the passage of alternating current (alternating current) because of capacitance or inductance. In some respects, reactance is like an AC counterpart of DC (direct current) resistance.
REACTIVITY - refers to the quickness and intensity of emotional arousal, attention, and motor activity. SELF-REGULATION - refers to strategies that modify that reactivity Structure of Temperament Thomas and Chess describe three types of children based on temperamental differences; approximately 35% of children do not fit any specific category but show a unique blend of temperamental characteristics