what is the importance of chemical elements to living organism
The most important combination of elements for all living organisms is water which is made up of hydrogen and oxygen. Another very important compound for living organisms is glucose which constitutes Carbon, oxygen and hydrogen. Nitrogen is an important part of proteins. Water, proteins and glucose are the most important things for living things and all these compounds are made up of elements which reflects their importance.
State that the most frequently occurring chemical elements in living things are carbon, hydrogen, oxygen and nitrogen. State that a variety of other elements are needed by living organisms, including sulphur, calcium , phosphorus, iron and sodium. State one role for each of the elements mentioned above. 1  Nitrogen: Required by proteins. 2  Calcium: The mineral that strengthens bone and teeth uses calcium. 3  Phosphorus: Part of the phosphate groups in ATP and DNA molecules.  Iron: found in the structure of hemoglobin and essential for the production of red blood cells.