![The hearts and lungs of thoroughbreds allow them to maintain speeds, and some barely break a sweat, in running a mile and half.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LGAZJQIYXS6J5JRLUCIRJHFG3M.jpg?smart=true&auth=8455032b6e4a13bf8b544dfc95b8b70f644671b6abcea065bf40e819adde4ace&width=400&height=225)
The hearts and lungs of thoroughbreds allow them to maintain speeds, and some barely break a sweat, in running a mile and half.
The hearts and lungs of thoroughbreds allow them to maintain speeds, and some barely break a sweat, in running a mile and half.
It is what is on the inside that really counts ahead of Dubai World Cup
Once the 'huge engines' of thoroughbreds switch on and horsepower kicks in, the heart takes over the matter. Audio interview
Geoffrey Riddle
March 28, 2012