Heart

A hollow, pumplike organ of blood circulation, located in the chest between the lungs and slightly to the left and consisting of four chambers

• heart
• chamber
• ventricle

Either of the two lower chambers on each side of the heart that receive blood from the atria and in turn force it into the arteries.

• ventricle
• vessel
• valve

A membranous fold or other structure that controls the flow of a fluid, as one that permits blood to flow in one direction only.

• artery
• vein
• valve

One of the minute blood vessels between the terminations of the arteries and the beginnings of the veins.

• capillary
• blood
• artery

The fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended.

• vein
• blood
• valve

The valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.

• mitral
• tricuspid
• pulmonary

The valve between the left atrium and left ventricle of the heart, consisting of two triangular flaps of tissue, that prevents the blood from flowing back into the atrium.

• tricuspid
• pulmonary
• mitral valve

The continuous movement of blood through the heart and blood vessels

• circulation
• hearbeat
• hollow

The heart has

• two chambers
• four chambers
• three chambers

Where isn't the heart situated?

• in the chest
• in the right part of the thorax
• in the left part of the thorax