because without the heart , blood cant transport to our any of our body because heart is the one who pump the blood and without the heart there is no blood
We aren't humans without one. The heart pumps blood and this is needed for our oxygen to pass through. Without one, we cannot tell if the baby of an pregnant woman is breating or not. Without the heart, we will not be alive. Hope this answer helps.
yes the forces acting on the pen are the tension force and the gravity force