Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

Blood clots can be a side effect of both lung cancer and the drugs you take to treat it. It’s important to know the warning signs of a clot and get medical attention right away if you think you ...

Large surface area: human lungs contain about 500 million alveoli ... because gases have more area over which to diffuse. Good blood supply: the alveoli have a dense capillary network so that ...