The Kidneys Act As Filters Which Clean The Blood.
- They remove Urea.
- Adjust the Ions in the blood.
- Adjust the water content of the blood.
-They remove Urea, which is a waste product and is poisonous. It is released into the bloodstream by the liver, and then the kidneys filter it out of the blood, and it is excreted in urine.
-Ions (like sodium) are brought into the body when you eat, and they are aborbed into the bloodstream. unbalanced Ion content can mean that the cells are taking in too much or too little water. Excess Ions are removed by the kidneys. (Some Ions are lost in sweat.)
-Water is lost in URINE, SWEAT, and BREATH. On a cold day (if not sweating) urine will be pale, dilute and there will be more of it. On a hot day (if sweating) there will be less urine, dark and concentrated.
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