With routine cardiorespiratory exercises specific diseases/disorders can be prevented or better managed which include, diabetes type 2; hypertension; high cholesterol; reduced lung expansion can also get better by exercises.
Thats just the way GOD wants it to be but sooner or later he will make it better
C.) she may be infertile but she could use help to impregnate her.
Not enough detail.
One way is the verbal Rating of perceived exertion scale 6-20
Another is heart rate range compared to their Max heart rate 220-age
I believe the answer is B.