July Resource Post: The Athlete’s Heart
The heart and physical exercise
What happens to the heart during exercise? A lot of things go faster - breathing rate, heart rate, blood flow. Now, imagine an endurance athlete such as a marathon runner, a Tour de France cyclist, an Iron Man triathelete. Their body and their heart perform faster - for hours and hours almost non-stop.


Raquel Billiones has a PhD in Biology and has over 15 years experience as a researcher, scientific English teacher, and medical writer. Since 2006, she has been a freelance WAHM specializing in medical writing and scientific documentation. 
