Final answer:
In the human body, the number of protons and electrons is about the same, due to atoms being electrically neutral by balancing each proton with an electron.
Step-by-step explanation:
In the human body, there are about the same number of protons and electrons. Atoms are electrically neutral, which means for every proton, there is an electron to balance its positive charge with the electron’s negative charge. The amount of protons and electrons typically will be the same in a neutral atom, ensuring that the overall charge is zero. It is also important to note that protons and neutrons are nearly equal in mass, but electrons are much lighter. Since the mass of an atom is mostly due to its protons and neutrons, it is the number of these particles that contributes to the atomic mass.