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.
1 Body Tissues and Membranes. 2  A tissue is composed of specialized cells of one type perform a common function in the body. 3  Epithelial Tissue. 4  In epithelial tissue, the cells are tightly packed, with space between them. 5  Epithelial cells readily divide to produce new cells that replace lost or damage ones.