The Spartans were a society of warrior-heroes who were the living exemplars of such core values as duty, discipline, self-sacrifice, and extreme toughness. This book, written by one of the worldâs leading experts on Sparta, traces the rise and fall of Spartan society and explores the tremendous influence the Spartans had on their world and even on ours.
Essential nutrients need to be provided by the diet for proper functioning. An essential nutrient is a nutrient that the body cannot synthesize on its own -- or not to an adequate amount -- and must be provided by the diet.These nutrients are necessary for the body to function properly. The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water.hese nutrients are necessary for the body to function properly. The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water.
Calcium. Calcium is an essential bulk mineral. It makes up bones and teeth and is essential for the transmission of information along the nerves and is used in the contraction of muscles. The importance of the right calcium balance for the maintenance of health can not be overestimated.