The left atrium is the upper chamber on the left side of the heart. It receives oxygenated blood from the lungs.
The left and right atrium (or atria).
Atria (left and right)
There are four: the left and right atria, and the left and right ventricles. Atria is the plural of atrium.
The interatrial septum separates the left and right atria in the human heart. The tricuspid and bicuspid valves separate the atria and the ventricles.
to force blood to the ventricles
right ventral, left ventral
the different types of ventricles are the left ventricle and the right ventricle.
The interatrial septum separates the right and left atria.(upper chambers)
Right and left atria and right and left ventricle
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.
left ventricle
The two upper chambers are called the atria. A single atria is an atrium.