the __________ valve is located between the right atrium and the right ventricle.
There isn't a valve between the right atrium and left ventricle. The valve between the right atrium and right ventricle is the tricuspid valve; the valve between the left atrium and left ventricle is the mitral valve. If your right atrium is connected to your left ventricle, you have a condition known as AVSD (atrioventricular septal defect). There isn't a valve between the right atrium and left ventricle.