Long-term muscle use requires the delivery of oxygen and glucose to the muscle fiber to allow aerobic respiration to occur, producing the ATP required for muscle contraction. If the respiratory or circulatory system cannot keep up with demand, then energy will be generated by the much less efficient anaerobic respiration.
Then, Nicaragua, as well as Costa Rica, El Salvador, Guatemala and Honduras formed the United Provinces of Central America, but that federation quickly dissolved, and Nicaragua became an independent republic in 1838.
1 The official name of Nicaragua is the 'Republic of Nicaragua'. 2  Nicaragua is the largest country in Central America and has the lowest population density. 3  Nicaragua is the southernmost point of North American pine lands. 4  The capital city of Nicaragua is Managua. 5  The official language of Nicaragua is Spanish.