<span>Myocardium
The heart has four chambers, four valves. It is composed of cardiac muscles which all in all pumps blood throughout the human body through the blood vessels. When something gets injured around the heart, well it will automatically, in high possibility stop functioning. Take not of the valves and the most important is the sinoatrial node which is the pace maker of the heart. It is what triggers the heart to pump itself and the valves then function and the blood travels and then gets cleansed out of carbon dioxide in the alveoli.<span> </span></span>
<span>A.American intervention did not result in more democratic governments.</span>
george washington was the first president
A. It gave the colonists a chance to govern themselves. ... A. It gave the colonists a chance to govern themselves. The Tuscarora War between settlers and American Indians in North Carolina was caused by. A. local tribes attacking Jamestown and burning it to the ground.
Bartolomeu Dias was the first European to round the southern tip of Africa. He named it Cape of Storms, but King John later renamed it Cape of Good Hope.