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The atria are the two upper chambers of the heart (the ventricles are the lower two)

The atria are the 'filling' chambers, so blood entering the heart passes through the atria first, which then push it down into the ventricles.

The two largest veins in the body (the superior and inferior venae cavae) empty deoxygenated blood returning from the body into the right atrium. The right atrium then contracts, pushing the blood into the right ventricle. The right ventricle then pumps the deoxygenated blood to the lungs where it is oxygenated.

After leaving the lungs, the newly oxygenated blood is returned via the pulmonary veins into the left atrium. The left atrium then contracts and pushes the blood into the left ventricle, which pumps the oxygenated blood around the rest of the body.

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What happens with the right atrium?

The function of the right atrium is to receive deoxygenated blood from the body circulation. It then assists with filling the right ventricle through its pumping action.


Which heart chamber receives blood from the superior vena cava?

right atrium


How does the size of the right atrium compare to the left atrium?

the size of the right atrium is smaller that the left atrium.


Which chamber of the heart does the vena cava enter into?

The cranial and caudal vena cava open in the right atrium.


The superior vena cava empties what?

Yes, both the superior and inferior vena cava carry deoxygenated (oxygen-poor) blood and deposit it into the right atrium of the heart.


What chamber receives blood for the inferior and superior vena cava?

right atrium


What does the right atrium connect too?

The right Atrium connects to the right ventricle.


What are the 4 chambers of the heart?

Right Atrium , Left Atrium , Right Ventricle , Left Ventricle


The upper chambers of the heart are?

The two upper chambers are called the atria. A single atria is an atrium.


What are all the chambers form the right atrium?

the right atrium is its own chambers. there are four, right and left atrium, and right and left ventricle


What are the four chambers of the heart are called?

The four chambers are; Left atrium Right atrium Left Ventricle Right Ventricle The two upper chambers are called atria (singular: atrium) and the two lower chambers are called ventricles. There are four chambers of the heart - the right atrium, left atrium, right ventricle and left ventricle.


What part of the heart receives oxygen blood from the lungs?

The right atrium which passes it to the right ventricle