In short, fiber is material that cannot be digested, and it acts like a sponge. It draws water from its surroundings, making it swell, which softens stool and adds bulk to it, which in turn helps it pass. Like coffee, some kinds of fiber (like beans) can contribute to constipation, so always drink plenty of water.
The immune system can distinguish between normal, healthy cells and unhealthy cells by recognizing a variety of danger cues called danger-associated molecular patterns (DAMPs). Cells may be unhealthy because of infection or because of cellular damage caused by non-infectious agents like sunburn or cancer.he immune system can distinguish between normal, healthy cells and unhealthy cells by recognizing a variety of danger cues called danger-associated molecular patterns (DAMPs). Cells may be unhealthy because of infection or because of cellular damage caused by non-infectious agents like sunburn or cancer.
The immune system is a collection of different body systems and cells that protect our body from bacterial and viral infection.This biological system identifies and attacks foreign cells and materials through specialized cells called B-cells.5 Jun, 2011 Health 0. The immune system is a collection of different body systems and cells that protect our body from bacterial and viral infection. This biological system identifies and attacks foreign cells and materials through specialized cells called B-cells.