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What part of the blood is atria and ventricles?
The Atria and Ventricles are parts of the heart not the blood. The Atria is the upper chambers of the heart and the Ventricles are the lower chambers of the heart.
Which chambers of the heart are the ventricles?
The ventricles are the lower chambers of the heart. The atria are the upper changes.
What major subdivision of the heart?
The atria and ventricles.
Are atria and ventricles organs?
No. They are in the organ of the heart
Are the atria are the lower chambers of the heart?
No. The lower chambers of the heart are called the ventricles. The atria are the top chambers of the heart.
What is the chamber of the heart called?
the atria
What are the four chambers in our heart called?
The four chambers of the heart are the right and left atria, and the right and left ventricles. The atria are the upper chambers, and the ventricles the lower.
How would you say the structural difference reflects the relative functions of the two heart chambers?
Assuming you mean the atria and ventricles by "the two heart chambers", the fact that in all species the atria are smaller than the ventricles reflects the fact that the atria receive blood from either the body or the lungs and then pump it into the larger and much stronger ventricles. One-way valves between the atria and ventricles prevent backflow of blood from the ventricles to the atria. The ventricles then pump the blood received from the atria to either the oxygenating organ (i.e. gills or lungs) or the body. The much thicker walls of the ventricles reflect the fact that much greater force is needed to pump the blood throughout the body or to the lungs than is needed to pump the blood from the atria to the ventricles.
What includes two ventricles and two atria?
The heart.
What has 2 ventricles and 2 atria?
The human heart.
Two lower chambers of the heart are?
The lower heart chambers are ventricles. Atria are the upper chambers of the heart.
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.
