Thousand of years old mummies are still in their condition as they were before due to some reason. Which of the following describe it the best?

Due to non-destruction of yellow elastin fibre

Due to non-destruction of white elastin fibre

Due to non-destruction of collagen fibre

Due to non-destruction of veins

Answer

Due to non-destruction of yellow elastin fibre

The thousand year old mummies have their arteries intact due to well preserved yellow elastic fibres, which is present in the walls of blood vessels, lungs, bronochioles, etc. These elastic connective tissue fibres have considerable strength and remarkable elasticity.