Solution:

Sodium (Na):

They are found in our blood plasma and the interstitial liquids around the cells. They help in

(a) Transmission of nerve signals.

(b) They direct the progression of water across the layers of the adjoining cells.

(c) Transport sugars and amino acids from and to cells.

Potassium (K):

They are found for the most part in the cell liquids in more noteworthy amounts.

They help in

(a) Activating catalysts.

(b) Oxidizing glucose to shape ATP.

(c) Transmitting nerve signals.

Magnesium (Mg) and calcium (Ca):

They are likewise called as full scale minerals named so due to their plenitude in our body. Mg helps in

(a) Relaxing nerves and muscles.

(b) Building and reinforcing bones.

(c) Maintaining blood flow in our body.

Ca helps in

(a) coagulation of blood

(b) Maintaining homeostasis