Metallic element present in limestone

Usage examples of calcium.

A one-quarter cup serving of prepared agave provides thirty calories and more calcium than does a half glass of milk.

There are nitrogen and carbon in those masses of sea vegetation, and there are phosphorus and calcium in the bathybic deposit.

The calcium chloride does not enter into the chemical reaction, but raises the temperature at which the solution boils, and is essential for the completion of the distillation.

The commonest soluble impurity is calcium sulphate, which produces a whitish scum on the face of the brick in drying, and as the scum becomes permanently fixed in burning, such bricks are of little use except for common work.

Calcium hypochlorite can be used to purify water, which, in combination with a good filtration system, can cut typhoid and diarrheal diseases practically to zero.

Bone putty is a mixture of dicalcium phosphate dihydrate and tetra calcium phosphate.

Algernon Charles Swinburne, and calcium disodium, an allegedly natural preservative.

These chemists electrolyse either pure calcium chloride, or a mixture of this salt with fluorspar, in a graphite vessel which serves as the anode.

Just as glucagon mobilizes the glycogen reservoir in the liver, bringing about its breakdown to glucose, which pours into the blood, so the parathyroid hormone mobilizes the calcium stores in bone, bringing about its breakdown to calcium ions in solution, which pours into the blood.

Thus, calcium atoms make up an active metal that would be quite poisonous to living tissue, but calcium ions are much blander and are necessary components of living tissue.

It may be in this fashion that vitamin D encourages the growth of bones, by altering the membrane of bone cells to permit the entry of calcium ions at a greater-than-normal rate.

Proper amounts of calcium help keep your joints free of inflammation and arthritis, as well as help your muscles contract.

Omega-8 fatty acids help lubricate joints, and the spinach contains bone-boosting calcium.

Photographed with the spectroheliograph, using the light emitted by glowing calcium vapor.

The statocysts in such creatures open to the outside world through narrow apertures, and the statoliths are not bits of calcium carbonate but are, rather, sand particles the creature actually places within the statocysts.