Your answers would be B and C.
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
Activated when they recognize small components of antigens
It would be “ It may alter cognitive ability to choose foods wisely.” Because it is talking about it may lead to decreased nutritional status.
