Calcium is essential for many functions in the body, including:
regulating the heartbeat
conducting nerve impulses
stimulating hormone secretions
building and maintaining healthy bones.
Calcium is a mineral found in many foods. Getting enough of this
nutrient is important because the human body cannot make it. Even after
you are fully grown, adequate calcium intake is important because the
body loses calcium every day through the skin, nails, hair, and sweat,
as well as through urine and feces. This lost calcium must be replaced
daily through the diet. Otherwise, the body takes calcium from the bones
to perform other functions, which makes the bones weaker and more
likely to break over time.