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orifice of inferior vena cava
orifice of superior venca cava
opening of coronary sinus
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoThey are coming from the lungs.
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The sinoatrial node is located in the?
The SA (sinoatrial) node is a cluster of cells in the upper part of the right atrium (aka the right upper chamber of the heart).
What are the Ridges in anterior wall of the right atrium called?
Musculi Pectinati terminate at the Crista Terminalis in the Right Atrium. Musculi Pectinati can also be found in the Left Atrium.
4 hollow sections of the heart?
They are the right ventricle, left ventricle, right atrium, and left atrium. For more details you can take a look here: http://heartdisease.about.com/cs/starthere/a/chambersvalves.htm http://www.revolutionhealth.com/articles/chambers-of-the-heart/tp10241
Where are the bicuspid tricuspid pulmonic and aortic valves located?
The tricuspid valve is located between the right atrium and right ventricle, and it's there because it prevents blood from flowing backward from the right ventricle to the right atrium. The tricuspid valve is located between the right atrium and right ventricle, and it's there because it prevents blood from flowing backward from the right ventricle to the right atrium.
Name the vessel that brings blood back to the right atrium?
both the superior and inferior vena cava pump the blood into the right atrium. Then, the right atrium pumps the blood through a valve, and into the right ventricle.
How many chambers is the heart divided in?
Four, the left atrium, right atrium, left ventricle, right ventricle.
Name the upper and lower chambers in the heart?
The lower (ventricles) are muscular and the valves can seal both openings. The upper (atria) are significantly weaker and are not sealed at the venous portal. Both left sides are thicker and stronger than the right (systemic pressure is much higher than pulmonary).
Which heart chamber receives blood from the superior vena cava?
right atrium
How many sides is the heart?
there are 4 part to a heart left atrium, left ventricle, right atrium, right ventricle
How does the size of the right atrium compare to the left atrium?
the size of the right atrium is smaller that the left atrium.
Which chamber of the heart does the vena cava enter into?
The cranial and caudal vena cava open in the right atrium.
The superior vena cava empties what?
Yes, both the superior and inferior vena cava carry deoxygenated (oxygen-poor) blood and deposit it into the right atrium of the heart.
How many chanbers does the human heart have?
The heart has four chambers: the left ventricle, the left atrium, the right ventricle, and the right atrium.
How many chambers are in the heart of a bear?
four chambers: right atrium left atrium right ventricle left ventricle
What chamber receives blood for the inferior and superior vena cava?
right atrium
What are the 4 chambers of the heart?
Right Atrium , Left Atrium , Right Ventricle , Left Ventricle
What are the parts in a heart called?
Right Atrium, left atrium. Right ventricle, left ventricle. 4 main blocks. There many parts(:-:)
