The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and ...
Quick Facts About MERS and How It Spreads MERS is a respiratory illness that can lead to fever, shortness of breath, pneumonia and kidney failure. Find out more about it and how it spreads ...
The virus, which is more prevalent during winter and spring, can cause flu-like symptoms and affect the upper respiratory system. In some cases, it can lead to lower respiratory infections.
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