all a heart is, is a big muscle that contracts at a rate that keeps the blood flowing through your system... the brain sends signals to the heart telling it to contract, it contracts and pumps the blood to all the needed parts of the body.
Not exactly, they are the upper chambers of the heart, but inside, not "on top of".
That depends a lot on what exactly you want to work out about the polygon.That depends a lot on what exactly you want to work out about the polygon.That depends a lot on what exactly you want to work out about the polygon.That depends a lot on what exactly you want to work out about the polygon.
Yes, they do. They are exactly the same. The pig heart valves will last about 15 years. Sometime cows are used for these xenotransplants.
Well, if you really can't find a word that exactly rhymes the word you have, use a word that is similar, and make it work.
Work of Heart was created in 1982.
How the Heart and Circulatory system work.
Because your heart is a muscle, a cardiac muscle. a muscles job is to contract an that is exactly what the heart does, it contracts to pump blood.
how does the heart work
your heart works with your lungs.
All of your organs are involved with the heart. The heart pumps blood to all the organs in your body.
Yes, in circulatory system the lungs work with the heart.
I'm not sure exactly what they thought the brain was, but they did believe that it was useless, and that the heart did all of your thinking.