Sulfur has six valence electrons, meaning that each atom of this element has six electrons in its outermost shell.
Well body cells that have the same look probably function differently because the cells are in all different parts of the body.
Muscles are elongated cells, sizes from a couple of millimetres to about 10 centimetres in length and from 10 to 100 micrometres in width. They are joined together in tissues that may be either striated or smooth. Striated muscles are classified even further. They belong to either skeletal or cardiac muscle. Striated muscle is typically subject to conscious control, while smooth muscle is not.
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Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP & passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.
