Each physical or health hazard is a âhazard classâ (e.g., Carcinogenicity is a hazard class). A âhazard classâ may be sub-divided in the criteria into. several âhazard categoriesâ based on the degree of. severity of the hazard.
Quick Answer. Calcium is a crucial part of muscle contraction. The ionic element is released from muscles during contraction and relaxation. The release of calcium helps propagate the muscle contraction and relaxation stages. Continue Reading.
Your muscles use calcium to contract and move. Photo Credit Brand X Pictures/Brand X Pictures/Getty Images. Calcium is so important to muscular function that if blood calcium runs low, your body will take the calcium from your bones for use.Of all the minerals, your body contains the most calcium, states the National Institutes of Health Office of Dietary Supplements.our muscles use calcium to contract and move. Photo Credit Brand X Pictures/Brand X Pictures/Getty Images. Calcium is so important to muscular function that if blood calcium runs low, your body will take the calcium from your bones for use.