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.
Confidence votes 38. A peninsula a piece of land that has three sides of it surrounded by land. Another answer: What the above writer meant was that a peninsula is a peice of land that has three sides surrounded by water.Actually, a peninsula is a area of land nearly surrounded by water but also has a section that is attached to a mainland by an isthmus.Florida is a peninsula, Hawaii is not because it is completely surrounded by water and is therefore an island. for example: Hawaii is a peninsula-+.ctually, a peninsula is a area of land nearly surrounded by water but also has a section that is attached to a mainland by an isthmus. Florida is a peninsula, Hawaii is not because it is completely surrounded by water and is therefore an island. for example: Hawaii is a peninsula-+.