Question

How do heart function (in 19 words) explain

Answer 1

The function of heart is to pump the oxygenated blood to various organs of our body.

Blood flows from the auricles into the ventricles through the valves(auriculo-ventricular valves).The deoxygenated blood from the right chambers of the heart travels to the lungs, gets purified, enters the left auricle and gets pumped to the  various organs from the left ventricle.

Various blood vessels help in transportation of blood.

Answer 2

FUNCTION: THE JOB OF THE HEART IS TI PUMP THE BLOOD TO ALL THE ORGANS OF THE BODY.
                           OUR HEART IS DIVIDED INTO TWO DIVISIONS WHICH WORK TOGETHER.BLOOD COMING BACK FROM ORGANS GOES TO OUR RIGHT SIDE OF OUR HEART,WHICH THEN PUMPS INTO THE BLOOD.OUR LUNGS REMOVE THE WASTE CARBONDIOXIDE FROM THEBLOOD   AND ADDS WITH OXYGEN.
                                                        A MANS HEART IS USUALLY BE 300g(approximately)