The thyroid scan and thyroid uptake provide information about the structure and function of the thyroid. The thyroid is a gland in the neck that controls metabolism, a chemical process that regulates the rate at which the body converts food to energy. top of page.
The mask, dubbed Triton, acts like a fish gill to extract oxygen from water so that the user can keep on breathing while under the sea. The scaly texture on the arms conceal small holes in the material where water is sucked in.
Properties of Water--Notes. Water is a molecule made up of two hydrogen atoms and one oxygen atom. It has the formula H 2O. When. oxygen and hydrogen combine (H-O-H) they form a v-shaped triangular molecule. While water molecules. are electrically neutral, the oxygen atom holds a small negative charge and the two hydrogen atoms hold.