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Both atria open and close simultaneously.

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13y ago
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5mo ago

The atria contract simultaneously to push blood into the ventricles. This coordinated contraction ensures efficient filling of the ventricles with blood before they contract to pump blood out to the rest of the body.

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Q: What do the atria do at the same time?
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What do both atria do at the same time?

They both contract at the same time.


Why would it be bad if the atria and ventricles were in systole at the same time?

please help me with this question


Are atria and auricle the same?

yes


Does atria have the same meaning as atrium?

Yes, "atria" is the plural form of "atrium." An atrium is a chamber of the heart that receives blood from the veins, while atria refers to the two upper chambers of the heart.


Why the atria walls so thin?

Atria don't do nearly the same amount of work of contraction as do the ventricles. They are therefore relatively thin walled. Most of the blood that flows from the atria to the ventricles flows passively, and so the atria function mostly as a reservoir for blood volume.


Why is the atria so thin walled?

Atria don't do nearly the same amount of work of contraction as do the ventricles. They are therefore relatively thin walled. Most of the blood that flows from the atria to the ventricles flows passively, and so the atria function mostly as a reservoir for blood volume.


What two chambers contract last in the heart?

During diastole the atria fills with blood.


How are atria and ventricles same?

They are pairs of chambers inside the heart, which have valves.


What part of your body has two atria and two ventricles?

I believe this would be your heart because that is the only time ventricles and atria are brought up.


What is the downstairs chamber in the heart?

the atria


Are auricles extensions of the atria or the ventricle?

The are extentions of the Atria.


What chambers of the heart receives blood from the body?

Right atrium then right ventricle.