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.
The Mayas believed in a world of three layers: Heaven, the middle world, and underworld. Its roots were in the underworld, its trunk in the middle world, and its branches in the highest layer of the other world.