The total amount of water as a percentage of all the mass that makes up our planet is estimated at 0.023%. A little over 2/3 of the Earth is covered by water; to be more precise, the consensus is 70.8% (71%) of the surface is water, 29.2 % is land. The total amount of water as a percentage of all the mass that makes up our planet is estimated at 0.023%. <br /><br /> A little over 2/3 of the Earth is covered by water; to be more precise, the consensus is 70.8% (71%) of the surface is water, 29.2 % is land. <br /><br /><br /><br /><br /><br /><b> </b>.
Dictionary entry overview: What does hyperventilation mean? â¢ HYPERVENTILATION (noun) The noun HYPERVENTILATION has 1 sense: 1. an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued Familiarity information: HYPERVENTILATION used as a noun is very rare.
Hyperventilation is a condition in which you suddenly start to breathe very quickly. Healthy breathing occurs with a healthy balance between breathing in oxygen and breathing out carbon dioxide. While hyperventilating, you upset this balance by exhaling more than you inhale.This causes a rapid reduction in carbon dioxide in the body. Low carbon dioxide levels eventually lead to narrowing of the blood vessels that supply blood to the brain.hile hyperventilating, you upset this balance by exhaling more than you inhale. This causes a rapid reduction in carbon dioxide in the body. Low carbon dioxide levels eventually lead to narrowing of the blood vessels that supply blood to the brain.