The Internet of Things extends internet connectivity beyond traditional devices like desktop and laptop computers, smartphones and tablets to a diverse range of devices and everyday things that utilize embedded technology to communicate and interact with the external environment, all via the Internet.
There are 92 elements which occur naturally. Out of these there are 26 of which living things are composed. There are six elements which constitute the largest weight in living organisms. These elements which are abundantly found in all living organisms are Nitrogen, Hydrogen, Carbon, Oxygen, Calcium and Phosphorus. These elements are found in living things in the form of Water, Glucose, Glycine and Calcium phosphate. The most important combination of elements for all living organisms is water which is made up of hydrogen and oxygen.
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.