Quiz: Sports and exercise

Photo of people walking briskly (Stockbyte / Photos.com) There are almost no limits to the different types of sports activities that are available – including brisk walking, swimming and cycling, just to name a few. But certain rules of thumb should always be followed. Which rules, though? And how good are sports and exercise for people with chronic illnesses? Test your knowledge!

Question 1 of 10

An endurance athlete's heart can pump up to 35 liters of blood around the body in 60 seconds.