Answer:
I think the answer would be c
Deep knee bends help TO BUILD MUSCLES AND TO BURN FAT.
A deep knee bend refers to a full squat. It is a strength training exercise that effectively burn fats. Engaging in deep knee bend exercise also have beneficial effects on the back of the thighs, the front of the thighs, the gluteal muscles of the buttock, the hip and the calf muscles.
The answer is:
Endorphins
Hope this helps :D
<span>D. false memories could be created using suggestion</span>