What is the function of calcium in the body? What happens if our body is lacking calcium? --- Thao, Bien Hoa, Vietnam
Marshall Brain Answers:
Your body needs calcium for two things. First, calcium is what gives your bones their strength. Your body contains several pounds of calcium in its bones. Calcium is also important to your cells. For example, it is an essential part of muscle contractions, as shown here:
See How Muscles Work for more info on how the muscles use calcium.
If you don't get enough calcium in your diet, your body steals the calcium it needs from your bones. Ultimately this process of calcium stealing leads to osteoporosis, which weakens the bones and makes them frail. It is therefore important to get enough calcium in the foods you eat.
For more info see: Calcium In Diet