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In biology and genealogy, the most recent common ancestor (MRCA, also last common ancestor LCA, or concestor) of any set of organisms is the most recent individual from which all organisms in a group are directly descended.</span>
Answer:
Bones provide the structure for our bodies. The adult human skeleton is made up of 206 bones.
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The process living creatures go through to break down sugars and turn them into ATP is called Cellular Respiration.
Helium, with two protons, will have two electrons. In the chemical classroom, the proton count will always be equivalent to an atom's atomic number. This value will not change unless the nucleus decays or is bombarded (nuclear physics). Figure \(\PageIndex{1}\): The periodic table of the elements.
