Answer: zyxwvutsrqponmlkjihgfedcba
Explanation:
Answer:
Z, Y, X,
W, V,
U, T, S, R, Q, P, O, N,
M, L, K,
J, I, H,
G, F, E, D,
C, B, and A;
d) immunology
I believe that it creates shocks to try and start the heart up again after a heart attack. (why the sticky pads are put with the heart in the middle)