Answer:
Arteries carry oxygenated blood from the heart, while veins carry oxygen-depleted blood back to the heart. ... The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
Sleep Apnea. They have to use a breathing machine to get a good nights sleep.
Anna could have died from extremely high blood sugar.
Anna died from very low blood sugar
Hope this helps:)
