The right atrium contains pectinate muscles in its walls. These muscular ridges are also present in the right auricle, which is an extension of the right atrium. Pectinate muscles help increase the surface area of the atrial wall and assist in the contraction of the heart.
Atria of the Heart
The type of muscle that is found in the right atrium is mainly the pectinate muscles. This is one of the four chambers of the heart.
That would be your heart. That is my favorite treat.
Deoxygenated Blood
It is in the Right Atrium.
yes the heart contains protein because muscle is made of protein and the heart is a huge muscle.
Trabeculae carneae are fleshy beams found on the inner surface of the right and left ventricles of the heart. Do not confuse it with the pectinate muscle that is found in the right atrium and left auricle.
left atrium
The heart muscle contains self-excitable cells known as pacemaker cells. These cells generate electrical signals that control the heart's rhythm by initiating the contraction of the heart muscle.
The human heart contains cardiac muscle. This muscle type is involuntary.
The heart is located in the mediastinum, in the center of the chest. It contains cardiac muscle fibers.
The left ventricle, it works the hardest and needs the most muscle mass.