1:- Role of salt in human body.
Salt odf sodium, potassium, calcium, magnesium and iron are needed for the normal working of our body. They perform the following functions:
(a) Sodium and potassium salt are needed fro the proper functioning of muscles and the nervous system.
USES OF SALT
Source of photo
(b) Salt of calcium are present in bones. They are responsible for the strength of bones, . These salts are responsible for preventing heart attacks. Plaster of Paris (CaSO4 . 1/2H2O) is used for broken limbs.
(c) Potash alum is used to coagulate the blood coming out of a wound. It is also used for the purification of water.
(d) Salts of iodine are needed for the proper functioning of thyroid glands. They are also used for the treatment of goiter.
All data collected from my book of Science.