The heart
hope it's fine :P
Breathing, moving blood throughout the body, and so forth.
The correct answer is C A single-celled protist divides into two cells, and each one becomes another protist.
In the square of an element on the periodic table, the number with the highest numerical value represents the atomic number.
<h3>What is the atomic number Z?</h3>
The atomic number is represented by the letter Z and indicates the number of protons (p) in the nucleus of the atom. This quantity is characteristic of each chemical element.
With this information, we can conclude that The atomic number, represented by the capital letter Z, corresponds to the number of protons in the nucleus of atoms (Z = p).
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