A phoneme is a unit of sound in speech. A phoneme doesn't have any inherent meaning by itself, but when you put phonemes together, they can make words. Think of when adults try to get a baby to say his or her first word.
Bioelectrical Impedance Analysis or Bioimpedance Analysis (BIA) is a diagnostic tool that accurately assesses your complete body composition - the measurement of body fat in relation to lean body mass as well as cell membrane integrity, intra and extracellular water, and other specific aspects of body composition.IA also provides a measurement of fluid and body mass that can be a critical assessment tool for your current state of health. BIA also serves to measure your progress as you work to improve your health.
Bioelectrical impedance analysis. Bioelectrical impedance analysis (BIA) is a commonly used method for estimating body composition, and in particular body fat. Since the advent of the first commercially available devices in the mid-1980s the method has become popular owing to its ease of use, portability of the equipment.