Why does the body need calcium and what are the symptoms of calcium deficiency?

When a patient becomes angry or embarrassed that they are being asked for payment, what you do to lessen the negative reaction?

When calculating the daily protein needs for marathon runners or competitive weightlifting, you should allow for approximately grams of protein per kilogram of body weight

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people