Презентация на тему Inorganic substances. Water. Mineral salts

it content averages 80%.
water

is the solvent, chemical reactions occur in the aquatic

environment.
2. Water is involved in chemical reactions in the cell
3. Water adds volume and elasticity to the cell
4. Ensures the supply of water into the cell and removal of unnecessary substances
5. Helps to move substances through the body

объем, упругость
обеспечивает поступление веществ в клетку и удаление ненужных

веществ
способствует перемещению веществ по организму

of the mass of cells.
Salts of sodium and

potassium provide the manifestation of irritability
Calcium salts give strength to the bones, clam shells, etc.