Calcium is essential for bone health. Yet 16 percent of 11–18 year olds and 9 percent of 16–49 year olds consume less than the Lowest Reference Nutrient Intake (LRNI) of calcium through food ...
Calcium's leading role is legendary. In fact, there seems to be no end to calcium's repertoire: It strengthens bones and teeth and new studies suggest that it may also prevent colon cancer, and ...
Calcium signalling is activated by calcium ions that are released from intracellular stores, or enter the cell via plasma membrane ion channels. Calcium is an important second messenger that ...
The resulting chemical reaction produces a gas, causes a color change with an indicator, and results in a decrease in temperature. Students then carry out a second reaction with calcium chloride and ...
Don't stop taking your calcium supplements just yet. Recent health headlines would have you believe that if you take calcium supplements you could be increasing your chances of having a heart attack.
Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound sodium chloride. One calcium and two chlorine atoms are ...