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If H i is 0.40 one must remove at least 7.5 units of blood during ANH, resulting in an H m of 0.20 to save two units equivalence. Clearly, the greater the H i and the greater the number of units removed during hemodilution, the more effective ANH is for preventing homologous blood transfusion.
The upper two chambers, the left and right atria, are entry points into the heart for blood-flow returning from the circulatory system, while the two lower chambers, the left and right ventricles, perform the contractions that eject the blood from the heart to flow through the circulatory system.
Humans have a four-chambered heart consisting of the right and left atrium, and the right and left ventricle. The atria are the two upper chambers which pump blood to the two lower ventricles. The right atrium and ventricle are often referred to together as the right heart, and the left atrium and ventricle as the left heart.
There are four chambers in a heart: an atrium (upper) and a ventricle (lower) on both the left and right sides. [1] In mammals and birds, blood from the body goes to the right side of the heart first. [2] Blood enters the upper right atrium, is pumped down to the right ventricle and from there to the lungs via the pulmonary artery. [3]
A lower house is the lower chamber of a bicameral legislature, where the other chamber is the upper house. [1] Although styled as "below" the upper house, in many legislatures worldwide, the lower house has come to wield more power or otherwise exert significant political influence.
A ventricle is one of two large chambers located toward the bottom of the heart that collect and expel blood towards the peripheral beds within the body and lungs. The blood pumped by a ventricle is supplied by an atrium, an adjacent chamber in the upper heart that is smaller than a ventricle.
The lower house was the Chamber of Deputies and the upper house was the Chamber of Peers (except during the 1838–1842 period, where a Senate existed instead). With the replacement of the Monarchy by the Republic in 1910, the Parliament continued to be bicameral with a Chamber of Deputies and a Senate existing until 1926.
Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.