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)
Yao Ming is 7 feet tall and 6 inches.
1. Cerebrum
2. Corpus Callosum
3. 4th Ventricle Cerebellum
4. Medulla Oblongata
5. Spinal cord
I had to do this in Health too, so I can assure you these are right.
Hope it helped. Have a great day!