To take out the useful parts of the food, the digestive system breaks the food down into small pieces. This process is called digestion. The parts of the food which are not useful just pass through the body.
The interrogation. Interrogations consist of three pulses, 0.8 Î¼s in duration, referred to as P1, P2 and P3. The timing between pulses P1 and P3 determines the mode (or question) of the interrogation, and thus what the nature of the reply should be. P2 is used in side-lobe suppression, explained later.
The study's findings were: 1  The extraction time measured for Group 1 ran between 8 and 34 minutes. The average time was around 14 minutes, with 68% of cases (1 standard deviation unit) lying within plus or minus 5 and 1/2 minutes. 2  The extraction time measured for Group 2 ran between 7 and 27 minutes.