food components that readily dissolved in water and often impart gummy or gel-like characteristics to foods. An example is pectin from fruit, which is used to thicken jellies. Indigestible by human enzymes but may be broken down to absorbable products by bacteria in the digestive tract.
A spin class is an exercise class in which a group of people ride on stationary bikes. A spin class typically has loud, energetic music playing while the class follows the instructions from the leader to add or subtract resistance to the bikes.
That could mean a brisk walk for 30 minutes a day, five days a week; a high-intensity spin class one day for 45 minutes, plus a half-hour jog another day; or some other combination of moderate and vigorous activity.