Drag the tiles to the correct boxes to complete the pairs. Match each mineral with its main function in the body.
maintains fluid balance in the body
plays a role in immune system function
carries oxygen to all body tissues
maintains healthy bones and muscles
zinc
iron
calcium
>
sodium

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

c. the initial amount of money placed in the savings account