What is inferior and superior venacava
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Answer:
Function. The inferior vena cava is a vein. It carries deoxygenated blood from the lower half of the right atrium of the heart. The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava
Inferior vena cava
The inferior vena cava is formed by the association of the two fundamental veins of the legs, the fundamental iliac veins, at the level of the fifth lumbar vertebra, just below the lower back. Not at all like the superior vena cava, there are innumerable tributaries between its place of creation and its end in the heart. These incorporate veins that collect the blood from the muscles and cover the kidneys and divisors of the stomach area, the conceiving organs, the kidneys and the liver. In its course to the heart, the inferior vena cava rises near the spine; passes the liver, in the dorsal surface of which it frames a wrinkle; enters the chest through an opening in the stomach; and flows into the correct chamber of heart through an opening without valve under the purpose of section of superior vena cava.
Superior vena cava
Not far under the clavicle and behind the good side of the sternum, two enormous veins, the privilege and the brachiocephalic left, join to frame the superior vena cava. The brachiocephalic veins, as their name suggests - being fashioned from the Greek words for "arm" and "head", convey the collected blood from the head, neck and arms; they also channel blood from a large part of the upper body, including the upper part of the backbone and the upper divider of the chest. A huge vein, the azygos, which receives the oxygen-poor blood of the thoracic divider and bronchi, opens into the superior vena cava near the point of section of the pericardium, the sac that surrounds the heart. The superior vena cava reaches about 7 cm (2.7 inches) before opening into the right upper charge, the correct cavity of the heart. There is no valve at the opening of the heart.