What is the importance of blood in the body?

Explanation

It is obtained by heating gypsum, `(CaSO_(4).2H_(2)O)` at 373K in a kiln
`underset("Gypsum")(CaSO_(4).2H_(2)O) to underset("Plaster of paris")(CaSO_(4).1//2H_(2)O+ 3//2H_(2)O)`
Uses of plaster of Paris
(1) Plaster of Paris is used in making toys, decorative materials, jewellery, cosmetics and casts for statues.
(ii) It is used in medical applications for setting fractured bones in the right position and in dentistry.
(iii) It is used for making smooth surfaces and ornate designs on walls and ceilings.
(iv) It is used in laboratories for sealing the air gaps in apparatus to make it air tight.