Causes and symptoms. The primary cause of respiratory alkalosis is hyperventilation. This rapid, deep breathing can be caused by conditions related to the lungs like pneumonia, lung disease, or asthma. More commonly, hyperventilation is associated with anxiety, fever, drug overdose, carbon monoxide poisoning, or serious infections.
Mayas. 1  1a : a Mayan language of the ancient Maya peoples recorded in inscriptionsb : yucatec; especially : the older form of that language known from documents of the Spanish period. 2  2 : a member of a group of Indian peoples chiefly of YucatÃ¡n, Belize, and Guatemala whose languages are Mayan.
Where in the World. The Mayans are one of the oldest societies documented, and come from Belize, Guatemala, Honduras and El Salvador in Central America and Mexico. You can still visit the ruins of the ancient people in these places today, like the Chichen Itza temple in the Yucatan Peninsula of Mexico.