Investigators found that recalling emotions activated the and upper brain stem nuclei involved in control of internal organs and detection of sensations received from them, comparable with the James-Lange theory.

Ibelieve it's choice d.

If you under eat, your bones will narrow.

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other. 

Ibelieve the answer is c) our brain jumps to conclusions based on past experience