2007-03-15 14:57:40 · 4 answers · asked by Catalina R 1 in Health ➔ Diet & Fitness
This is one of the results of training. The body becomes more efficient at pumping blood to the get to the working muscles. As a result of cardiovascular training that athletics and fitness demand, more blood is pumped per contraction. The heart has to pump less times hence the lower heart rate.
2007-03-15 15:11:43 · answer #1 · answered by kelli m 2 · 0⤊ 0⤋
To use the heart to the maximum of it's capacity.
2007-03-16 15:35:55 · answer #2 · answered by xxx 4 · 0⤊ 0⤋
When you are fit, the muscles use oxygen more efficiently, so the heart doesn't have to work so hard to supply the muscles with oxygen.
2007-03-15 22:12:03 · answer #3 · answered by bob shark 7 · 0⤊ 0⤋
That's their job is to be better than everybody eles because their the best at what they do
2007-03-15 22:05:58 · answer #4 · answered by Anonymous · 0⤊ 0⤋