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It depends on the rate at which the heart beats. It will be faster during physical activities, and slower when sleeping, for example.

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14y ago

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The blood flows from the body to the heart passing the vein called?

Through Superior vena cava & inferior vena cava . The blood from anterior part of the body is taken to heart through superior vena cava,the blood from posterior part of the body is taken through inferior vena cava.


What is the most fetal blood in the umbilical vein enters the inferior vena cava through?

The most fetal blood in the umbilical vein enters the inferior vena cava through the ductus venosus.


Name the vessel that brings blood back to the right atrium?

The vessel that brings blood back to the right atrium is the superior vena cava and the inferior vena cava.


Does the inferior vena cava carry oxygenated blood?

the inferior vena cava caries de-oxygenated blood.


Through which veins does deoxygenated blood enter the right atrium in the heart?

Superior Vena Cava and the Inferior Vena Cava


What is the vessel that brings blood to the heart from the lower part of the body?

The inferior vena cava is the largest vein, and connects to the right atrium of the heart. The other large vein is the superior vena cava, which receives blood from the upper half of the body.


Returns blood to the right atrium of the heart?

Either through the Superior Vena Cava located at the superior aspect of the heart, through the Coronary Sinus located at the inferior aspect of the heart, or through the Inferior Vena Cava located at the inferior aspect of the heart. All of these drain into the right atrium.


Does the Inferior vena cava contain oxygenated blood or does it contain deoxygenated blood?

The Inferior vena cava - just like the Superior vena cava -, returns blood to the heart. When blood is returning to the heart, that blood is already circulated in the body, therefore it is already downloaded the oxygen to the body tissues, and picked up the carbon dioxide from them. From the vena cava (superior and inferior), the blood enters the heart (right atrium), is pumped into the right ventricle, and then pumped into the lungs (through the Pulmonary Arteries), where carbon dioxide is exchanged for oxygen. So, the blood in the vena cava is deoxygenated.


Blood enters the heart from the general body circulation through the superior and inferior?

Vena Cava.


What veins return blood to the superior vena cava?

Inferior vena cava


Where does blood enter the heart?

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.


What does the vena cava inferior do?

The inferior vena cava is the major vein which carries the blood into the heart from the lower half of the body.