This civilization is credited as the first to use blood-letting and (*) ritually sacrifice humans, and members of this civilization developed a ball game that later led the Aztecs to give them their modern name, meaning "rubber people".  
One motif common to this civilization, characterized by almond-shaped eyes and a down-turned open mouth, is called the "were-jaguar", while two nearly- identical seated human figures created by this civilization can be found at El Azuzul, near Veracruz. This civilization is credited as the first to use blood-letting and (*) ritually sacrifice humans, and members of this civilization developed a ball game that later led the Aztecs to give them their modern name, meaning "rubber people".  San Lorenzo, La Venta, and Tres Zapotes were cultural centers of, for ten points , which pre-Columbian Mesoamerican civilization that flourished between 1200 and 400 BCE and was famous for its giant basalt heads?
One motif common to this civilization, characterized by almond-shaped eyes and a down-turned open mouth, is called the "were-jaguar", while two nearly- identical seated human figures created by this civilization can be found at El Azuzul, near Veracruz.
{Olmec}