K+ potassium, Na+ sodium, Mg magnesium, H hydrogen, Ca calcium
source: The Human Body in Health & Disease fifth edition
the two main stages of kidneys and red blood cells
I don't know that they're the main organs, but kidneys are certainly essential to the urinary system.
One of the main jobs of the kidneys is to filterthe waste out of the blood.
Calcium
Sodiumis in group 1 and its cation is charge +1. Calcium is in group 2 and the cahrge on its cation is +2. etc.
Kidneys
Kidneys
kidneys
kidneys
kidneys and liver
Salts contain a cation (metal or ammonium) and an anion (a nonmetal etc.).
Yes.