Regular visits to the dentist should be scheduled every... (B. Six Months)
The answer is B. Spine stretch
Spine stretch is an exercise to stretch your back bone, which mean your upper body, not the lower one.
NB :
Hip Flexor : To stretch your thigh
Calf stretch & Harmstring stretch : To stretch your lower legs
What about this certain substance
Answer:
I just want to be able to make it tomorrow