What are the “power lines” of the body that send messages back and forth between the brain and all the other tissues and organs?

A) bone marrow cells
B) nerves
C) joints
D) muscles

Blank is a disease in which the body is unable to make eunough of the hormone insulin to breakdown sugar into energy

Guns are difficult to obtain by law abiding citizens?

Which of the following is something one should do or say when they encounter a bereaved person? avoid mentioning their loss say "i am sorry" avoid them so they can grieve privately tell them to move on