The 7th rib articulates with which of the thoracia​

The 7th rib articulates posteriorly with T1-T12 thoracic vertebrae

Agroup of engineering students from purdue university reported that its licking machine, modeled after a human tongue, took an average of 364 licks to get to the center of a tootsie pop. twenty of the group's volunteers assumed the licking challenge-unassisted by machinery-and averaged 252 licks each to the center.