The answer is burning coal! Please forgive me if I get this answer wrong!
Answer:
Almost all calcium in the body is stored in bones and teeth, giving them structure and hardness. Your body needs calcium for muscles to move and for nerves to carry messages between your brain and every part of your body.
Sodium-Potassium Pump
Three sodium ions bind to intracellular sites on the sodium-potassium pump.
A phosphate group is transferred to the pump via the hydrolysis of ATP.
The pump undergoes a conformational change, translocating sodium across the membrane.
The answer would be "a person's skin"
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Explanation:
<u>System</u> is a combination of several organs that perform together for a common function.
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Have prominently segmented bodies...have jointed appendages
