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 hemoglobin in red blood cells combines with oxygen in the lungs, transporting that oxygen to the tissues throughout the body. It also carries carbon dioxide from the tissues back to the lungs, where some of the carbon dioxide is exhaled.