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The oxygen tension (or partial pressure) remains close to 13–14 kPa (about 100 mm Hg), and that of carbon dioxide very close to 5.3 kPa (or 40 mm Hg). This contrasts with composition of the dry outside air at sea level, where the partial pressure of oxygen is 21 kPa (or 160 mm Hg) and that of carbon dioxide 0.04 kPa (or 0.3 mmHg). [6]
The right lung has three lobes – upper, middle, and lower (or superior, middle, and inferior), and the left lung has two – upper and lower (or superior and inferior), plus a small tongue-shaped portion of the upper lobe known as the lingula. Each lobe is further divided up into segments called bronchopulmonary segments. Each lung has a ...
The Universidad Casa Blanca (commonly known as UCB, English: "Casa Blanca University"), is a private arts and design university located in Culiacán, Sinaloa, Mexico.It is one of the state's preeminent institutions of higher learning and one of the best design,(graphic design, architecture, interior design, fashion design, industrial design) and marketing schools in Sinaloa, Mexico.
Created by decree #2747/1967 of 16 November 1967, the school occupies a building which opened on 2 May 1972. [2] It serves levels educación infantil until bachillerato. [3] ...
Hospital Nacional de Niños is a national pediatric hospital in San José, Costa Rica. It has provided medical care to children in the country since its founding in 1845. [1] [2] In 1945 and as one of the events to celebrate the centennial of the San José Hospital, a new ward opened with a capacity of 140 beds.
The inferior vena cava is a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart. It is formed by the joining of the right and the left common iliac veins , usually at the level of the fifth lumbar vertebra .
The pathway consists of a para-arterial influx mechanism for CSF driven primarily by arterial pulsation, [2] which "massages" the low-pressure CSF into the denser brain parenchyma, and the CSF flow is regulated during sleep by changes in parenchyma resistance due to expansion and contraction of the extracellular space.