I'm going to assume I know what you mean and say just excersise and you will make your heart happy.
To satisfy human "wants" and not "needs"
To satisfy human needs by working together
yes because it is a human heart
The cow heart is bigger than the human heart.
the artificial heart is used to save human life when a human's heart fails.
consumption
Utility.
production
Technology
It has 4 chambers in the human heart
Nope. The human heart is a muscle not an organ.
God created the human heart. He is amazing!