Hemoglobin E trait is rare. It happens most often among people with a Thai, Cambodian, Vietnamese, or Laotian background. It can also happen in people of Turkish, Asiatic Indian, Chinese, and Filipino descent. If you inherited the hemoglobin E mutation from just 1 of your parents, you typically won't have any symptoms.
Three types of blood vessels carry blood from your lungs to every cell in your body. 1  Arteries-Arteries have muscular walls that pump oxygen-filled blood away from your heart to the tissues and organs, like the brain, kidneys and liver.2  Arteries get smaller as they get further from your heart.hree types of blood vessels carry blood from your lungs to every cell in your body. 1  Arteries-Arteries have muscular walls that pump oxygen-filled blood away from your heart to the tissues and organs, like the brain, kidneys and liver.
The blood also carries carbon dioxide from the cells of the body back to the lungs, where it is exhaled. Different animal species have developed different kinds of circulatory systems to accomplish this task, but the lungs and heart play a central role in all of them.he blood that travels back to the heart and lungs is dark red. It has picked up carbon dioxide from the body cells, and it has left most of its oxygen with the cells. We can think of the dark colored, carbon dioxide-rich blood as used blood. This is the blood that the heart pumps into the lungs.