When the sweat is fresh, it is colorless. then mucus gradually turns red orange, then eventually turn into solid, brown gunk.
The red-colored secretion scatters light, preventing the hippo from getting sunburned. See the related link for more about hippo sweat.
Collar. it's when you get a ring of dirt around a dress shirt color from perspiration & wear.
Certain metals can be blackened or streak by perspiration...
Insensible perspiration is a perspiration that evaporates before it is perceived as moisture on the skin.
The process of sweating. Example: why do we have perspiration mechanism?
Sweating is "perspiration" (when you sweat, you perspire).
The lungs give off perspiration.
The perspiration was making dark patches on his shirt.
I could tell that you were nervous by the perspiration on your brow.
Hypohidrosis is the diminished flow of perspiration. Anhidrosis is the absence of perspiration.
perspiration on the forehead is secretion of sweat from sweat glands. Example: perspiration on the forehead is there for a simple purpose, cooling down the head.
Yalk is the perspiration of sheep in raw wool.
In response to exercise, the body color may appear flushed due to increased blood flow and circulation. Perspiration levels will typically increase as the body works to cool itself down through sweat evaporation. Additionally, the skin may feel warmer to the touch as the body's temperature rises during exercise.