Yes.
true
true
No. The lower chambers of the heart are called the ventricles. The atria are the top chambers of the heart.
The upper chambers of the heart are called the atria (singular: atrium).
These are the atria - there are two in the heart.
atria
atria.
the upper chambers of the heart are called the atria. (or atrium singular)
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.
Yes, upper two chambers of heart are called auricles or atria (singular: atrium).
the atria
The upper chambers in the heart are called atria (singular: atrium).
Atria