The skeletal system comprises 206 bones and has two main parts: the axial skeleton and the appendicular skeleton. The skeletal system includes your bones, ligaments that attach bone to bone, and ...

As the infection travels through your respiratory tract, your immune system fights back. Your lungs and airways swell and become inflamed. This can start in one part of your lung and spread.

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

A 3-year-old girl in Mexico died this month after getting infected with H5N1 bird flu, according to a report issued ... She was admitted to a hospital in the state of Durango on March 13 due to ...

Many people with respiratory conditions like COPD and asthma ... Incorporating the more well-known conditions of emphysema and chronic bronchitis, COPD symptoms include breathlessness, persistent ...

Lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. You can live for two weeks without food, two days without water, but only two minutes ...