What structure is located between the left atrium and left ventricle of the heart?

The structure located between the left atrium and the left ventricle of the heart is the mitral valve. This valve plays a critical role in maintaining proper blood flow within the heart. Its primary function is to allow blood to flow from the left atrium, where it is received from the lungs, into the left ventricle, which then pumps the oxygenated blood out to the rest of the body through the aorta.

The mitral valve ensures that blood does not flow backward into the atrium when the ventricle contracts. It consists of two leaflets, making it a bicuspid valve, and helps facilitate efficient and controlled blood movement during the heart's pumping cycle. Understanding the positioning and function of the mitral valve is essential for recognizing how the human heart operates as a whole and how it supports circulation.