ANSWER: If the atom has more electrons than protons, it is a negative ion, or ANION. If it has more protons than electrons,it is a positive ion.
Malignant tumors are classified according to the type of cells that give rise to them.
C) a system is a set of parts that function together as a whole
The brain contains
billions of interconnected neurons and glia. <span> Glia cells</span><span> enclosed the neurons and provide support for and insulation
between them. It is also the most abundant </span>cell types in the
central nervous system. While Neurons are the basic units of the nervous system and it is the
most important part is the brain.
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