The blood flows to and from the heart primarily because of the relaxing and contracting of the heart muscle. Muscles throughout the body also exert pressure on blood vessels to literally push blood to the heart.
the relaxing and contracting of the heart muscle
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Circulation of the blood
The heart is a pump and move blood through the blood vessels.
Yes, blood flows into the heart via veins. Blood flows away from the heart in aryteries.
are you stupid?? its made in the heart idiot, meaning more blood flow...----actually, the blood flow used by the heart is relatively small, much smaller than the blood flow needed by the brain. Of course, all blood flows through the heart, but that wasn't what the question asked.
Heart sounds are created primarily from turbulence in blood flow created by the closures of the valves.