Respuesta :
Target heart rate is
:
d)
Desirable minimum heartbeats needed to reach a level of activity and maintain that heart rate necessary to improve your cardiovascular fitness.
d)
Desirable minimum heartbeats needed to reach a level of activity and maintain that heart rate necessary to improve your cardiovascular fitness.
The answer is D . Because you have to have a high heart rate in order to improve your fitness routine. Hope this helps !