doesnt the heart stop then restart when the electric charge is applied?
ahdeath2007 3 years ago
Very good!!!!!
Nice to use in classroom.
casoplima 3 years ago
very good.....
linhares2205 4 years ago
doesnt the heart stop then restart when the electric charge is applied?
ahdeath2007 3 years ago
Very good!!!!!
Nice to use in classroom.
casoplima 3 years ago
very good.....
linhares2205 4 years ago