Ben. Barcodes representing data in the widths (lines) and the spacings of parallel lines such as Code128, Code 39, and UPC, are referred to as Linear or 1D (one-dimensional) barcode symbologies. Linear Barcode:
parathyroid hormone. works with the hormone calcitonin to regulate the calcium levels in the blood and tissues, increases calcium levels in the blood by mobilizing the release from storage in the bones and teeth.arathyroid hormone. works with the hormone calcitonin to regulate the calcium levels in the blood and tissues, increases calcium levels in the blood by mobilizing the release from storage in the bones and teeth.
1 The parathyroid hormone (PTH), secreted by the parathyroid glands, is responsible for regulating blood calcium levels; it is released whenever blood calcium levels are low.  PTH increases blood calcium levels by stimulating osteoclasts, which break down bone to release calcium into the blood stream.