But how does it all work? Let’s use our virtual biology headsets to find out. Here we are at the entrance to the lungs, which are working hard to take in lots of oxygen. When humans exercise ...

This vital function is called "gas exchange," and your body is set up to do it automatically ... It and your respiratory system work together to bring oxygen-rich blood to your cells.

But since its creation almost a century ago, this lifesaving device has been known almost universally by another name: the iron lung. As intimidating as the name sounds — and as scary as the ...

Treatments, such as chemotherapy with radiation therapy, may work to cure limited-stage ... doctors cannot identify the location of the lung cancer but do not think it has spread to lymph nodes ...

These work differently than regular ... Some research links it to higher rates of lung infections in young people. Because it’s been illegal, it’s been hard to do research on it.

Many people with lupus have problems with the heart, lungs, and blood. How does lupus affect the heart, lungs, and blood? Your heart, blood vessels, and lungs work together to circulate blood ...