The Heart

(anatomy) either of the two cavities of the upper part of the heart that pass blood to the ventricles

a device for extending the length of the tube in a brass instrument that allows the performer to reach various notes

a heart chamber that receives deoxygenated blood from the body and pumps it to the right ventricle

a heart chamber that receives deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation

(anatomy) a chamber in the lower part of the heart that carries the blood from the auricles to the arteries

a heart chamber that receives oxygenated blood from the lungs and sends it to the left ventricle

the heart chamber that receives oxygenated blood from the left atrium and pumps it into the aorta to be distributed throughout the body

a heart valve consisting of three leaflets that regulates blood flow between the right atrium and right ventricle

a heart valve that allows blood to flow from the right ventricle to the pulmonary artery

a heart valve between the left atrium and left ventricle that regulates blood flow by opening and closing its two leaflets

a heart valve that regulates the flow of blood from the left ventricle to the aorta, the largest artery in the body

the outermost layer of the heart, providing protection and lubrication to facilitate its smooth functioning

the muscular layer of the heart responsible for its contraction and pumping action

the thin layer of tissue that lines the inside of the heart chambers and valves

the point where the inferior and left borders of the heart meet, representing the tip of the left ventricle

(anatomy) a separating membrane between two cavities, such as that between the nostrils or heart chambers