Aztec human sacrifice rituals involved prisoners and captives being brought to massive temple pyramids, where priests allegedly removed their hearts as offerings to the gods.

Add Yahoo as a preferred source to see more of our stories on Google. During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human skull.

When the Aztecs dominated central Mexico, a blood-curdling sound like a human scream played through a small whistle. Luis Aceves via Unsplash In cultures around the world, instruments have brought ...

The findings support the hypothesis that such whistles may have been used in Aztec religious rituals or perhaps as mythological symbols. Click to expand... Or, given the fear it inflicts on those who ...