Answer:
Let answer on the basis of the most important elements present in living organisms -
Carbon: it is the most versatile element of the living organism and it is the basis of life as all the organic molecules contain carbon molecules.
Oxygen: It is the most abundant element of the living organism and forms almost 65% of the atoms.
Hydrogen: It helps in energy production within the body. It makes up 60% of the atoms in the living organism.
Nitrogen: Nitrogen is obtained by the process of nitrogen fixation plants from bacteria in the soil.
Phosphorous: provides strength to bones and exoskeletons.
Sulphur: gives strength to the protein keratin
