While PTH acts to increase the concentration of ionic calcium (Ca 2+) in the blood, calcitonin, a hormone produced by the parafollicular cells (C cells) of the thyroid gland, acts to decrease ionic calcium concentration.hile PTH acts to increase the concentration of ionic calcium (Ca 2+) in the blood, calcitonin, a hormone produced by the parafollicular cells (C cells) of the thyroid gland, acts to decrease ionic calcium concentration.
Best Answer: Florida's average width is about 160 miles down Through the peninsula; but is nearly 400 miles east to west across the panhandle. Florida is an average of 162 miles (260 km) wide in the peninsula.
It is the second-smallest county in Florida by land area, larger than only Union County. Pinellas forms a peninsula bounded on the west by the Gulf of Mexico and on the south and east by Tampa Bay. It is 38 miles (61 km) long and 15 miles (24 km) wide at its broadest point, with 587 miles (945 km) of coastline.