Answer:
The 6 Main Elements are Hydrogen, oxygen, carbon, Nitrogen, calcium & phosphorus
Step-by-step explanation:
99% of the atoms in the human body come from 6 elements: Hydrogen at about 63%, oxygen (around 25%), carbon (nearly 11%), nitrogen (nearly 0.7%), calcium (0.25%), phosphorus (0.15%) and Calcium which is essential for our bones, & contains 99% of the calcium in the human body