Trained Athletes Tend to Have ________ Heart Rates and ________

Question

Trained athletes tend to have ________ heart rates and ________ stroke volumes than nonathletes at rest.
A) higher; higher
B) lower; lower
C) higher; lower
D) lower; higher
E) similar; higher

Accepted Answer

Trained athletes typically have lower resting heart rates and higher stroke volumes due to adaptations in their cardiovascular system. This allows their heart to pump more efficiently, delivering oxygen and nutrients to their muscles during exercise.