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.
Lake Wales Ridge. The peninsula of Florida is young, geologically speaking, built on sands of ancient oceans. But before a peninsula formed, a string of islands marked what is now the peninsulaâs highest ridgeâthe Lake Wales Ridge, a backbone running nearly 150 miles from Lake County to Highlands County. Atop these former islands, shining white quartz sands host diminutive species dating back to the Miocene, the oldest plant and animal species in peninsular Florida, in a habitat known as Floridaâs desert, the scrub.