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Transient insomnia lasts from one or two nights to a couple of weeks. Symptoms of chronic insomnia occur three nights each week and persist for a month or longer.
Digestive Enzymes
Proteins produced by the digestive system to break down food into nutrients in preparation for absorption.
Outer Boundary
The external limit or edge of an area, system, or object, defining its spatial extent or separating it from surrounding environments.
Isotonic Solution
A solution having the same osmotic pressure as another solution, often referring to bodily fluids, allowing for the free movement of water across membranes without changing cell volume.
Hypertonic Solution
A solution that has a higher concentration of solutes outside the cell, leading to the movement of water out of the cell.
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