When all was said and done, Barack Obama and Mitt Romney, the two major party candidates for president in 2012, spent close to $1.12 billion -- not counting the millions more spent by the parties and outside groups. Overall, the presidential race cost more than $2.6 billion in that cycle. 2012 Presidential Race. When all was said and done, Barack Obama and Mitt Romney, the two major party candidates for president in 2012, spent close to $1.12 billion -- not counting the millions more spent by the parties and outside groups. Overall, the presidential race cost more than $2.6 billion in that cycle. Fundraising.
Best Answer: Epithelial tissue has 4 functions: protection, absorption, secretion, stimulation. Protection is reflected in the fact that epithelial cells are closely packed.
â¢ Both connective and epithelial tissues mainly have a structural function. They both consist of a strong fibrous component. But apart from that differ immensely. â¢ The connective tissue forms the sub types of skeletal tissue, forming strong bones and muscle, as well as fluid tissue such as blood and lymph.But the epithelium rarely shows a variation in tissue structure apart from the number of layers of cells.pithelium. Epithelial tissue is arranged in single or multilayer sheets, and it covers the internal and external surfaces of an organism. True epithelial tissue arises from the embryonic ectoderm, which provides epithelium for the skin, nervous system and parts of the mid gut and the hind gut.