Answer:
US Department of Health and Human Services
Centers for Medicare and Medicaid Services
Explanation:
and your welcome and why is that their?
The pulmonary artery and its branches deliver blood rich in carbon dioxide (and lacking in oxygen) to the capillaries that surround the air sacs. The circulation of the blood through the lungs. The veins that return the oxygenated blood from the lungs to the left atrium of the heart.
True, they were both devoted to find a cure for the plague.
I think the circulatory system is the best body system because we need the heart to stay alive, many people live with only one lung. but we need the respiratory system to let oxygen in, and let carbon dioxide out.
Some uncontrollable risk factors for disease is genetics and exposure.
