Canceling DIRECTV by Phone. 1  1. Call DIRECTV. By calling, youâll be able speak to a representative about canceling your subscription. 2  2. Inform the representative you want to cancel. After waiting, youâll be connected to a DIRECTV customer service representative. 3  3. Ask the representative about important details.
Bone mineral density: BMD, a measure of bone density, reflecting the strength of bones as represented by calcium content. The BMD test detects osteopenia (mild bone loss, usually without symptoms) and osteoporosis (more severe bone loss, which may cause symptoms).one mineral density: BMD, a measure of bone density, reflecting the strength of bones as represented by calcium content. The BMD test detects osteopenia (mild bone loss, usually without symptoms) and osteoporosis (more severe bone loss, which may cause symptoms).
Calcium is the most abundant mineral in the human body. About 99% of the calcium in the body is found in bones and teeth, while the other 1% is found in the blood and soft tissue. Calcium concentrations in the blood and fluid surrounding the cells (extracellular fluid) must be maintained within a narrow concentration range for normal physiological functioning.