circulate blood
A cardiologist
The heart works with the stomach to perform daily functions. The heart pumps blood to the stomach so that the cells can function properly.
The heart supports all life functions.
Heart Disease
To provide the heart with a blood supply.
your heart works with your lungs.
The HEART pumps blood to all parts of the body.
trabajo, as in labor. If you mean "it works", as in "it functions", the it is "funciona"
To make you live
It is separated in the Chambers of our heart.
The nervous system works closely with the endocrine system to coordinate body functions.
One can find pictures on how the human hearts works primarily online, for example, The British Heart Foundation website, and other sources such as How The Heart Works and Pictures of the Heart.