What is the name of the upper chamber of the human heart?

1 answer:

8 0

The answer should be atria. (singlular: atrium)

Since there's 4 heart chambers in human heart, there is the left atrium and the right atrium.

The common function of atria is to receive blood transported from the veins. Which will then be pumped into arteries after leaving the atrium and the ventricle, which is the lower chamber of heart. The right atrium receives blood from the vena cava, which is transported from all the body parts, except lungs, while the left atrium receives blood from the pulmonary veins, which transport blood from the lungs.

Below the atria, there's also valves. When they're open, they allow blood to leave the atria, and towards the ventricle. They tend to open when the blood has too much weight which will push them open.

Usually, atria is smaller than ventricle, as they're not the location for the muscles to pump the blood away from the heart.

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1.)The blood entering the right side of the body contains (oxygenated / un-

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1. The blood entering the right side of the body contains un- oxygenated blood (B).

2. All arteries carry oxygenated blood EXCEPT the pulmonary artery.

3. What structure brings blood to the right atrium? Superior and inferior vena cava (D).

Explanation:

The cardiovascular system is responsible for getting blood to organs throughout the body, through the joint function of the heart and blood vessels.

The circulation of the blood has been divided into two circuits:

The major circulation, which includes the exit of blood from the heart to the arterial system, to go to the whole body. This circuit is closed with the arrival of blood to the heart through the system of venous vessels.
The minor circulation consists of the passage of blood from the right ventricle to the lungs, and from these to the left atrium.

The blood that reaches the right atrium —entering to right side— proceeds from the superior and inferior vena cava, and is non-oxygenated blood.

In the minor circulation, the pulmonary arteries exit the right ventricle, carrying non-oxygenated blood to the lungs, being the only arteries to carry venous blood.

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