None, it was an ancient ritual.
Traditionally that was your still beating heart.
the Aztec had human sacrifices because that is what they believed was right, and believed that if they didn't give human sacrifices to the gods that they would be punished.
Yes, the Aztecs practiced human sacrifices as a part of their religious ceremonies. They believed that offering sacrifices to their gods was necessary to ensure the well-being of their civilization and world.
temples where human sacrifices were performed
They do not perform human sacrifices.
yes they did
Human sacrifices
Priests conducted the Aztec human sacrifices.
they felt that it was wrong to practice human sacrifice
human sacrifices
They did sometimes.
Both