A well-conditioned heart can
a. recover more quickly from physical and emotional stress.
b. encourage a person to try different types of exercise.
c. lead to respiratory diseases. End of exam
d. feel "tight" in the chest
a. because even though it is not ideal to ever be stressed out to the point of it inflicting your heart. It is common for athletes do that to condition there hearth and lungs to function at the highest of extremes possible.
