Hey We can't see anything because its very dark there. :)
two atria and two venricles
The human heart is in the chest cavity.
The type of model you would use to represent your human heart would be a physical model.
Not if you're a human. The human heart has four chambers. If you are a reptile or an amphibian then yes, it would be normal to have three chambers in your heart.
If every human didn't have a heart, all humans would be dead except for animals. BTW, this is a stupid question.
in the embryonic heart
Without a heart pumping blood throughout the body, a person would die.
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.
Never... The heart of a pig would not function correctly in a human.
An internal organ if that's what you mean.
YES, of course it's important! The human body couldn't function right without a heart. That's how important it is. Without our heart, there would be no blood circulating althroughout our body.
yes because it is a human heart
about 1 watt