Mlt constitutes about what percent of the lymphoid tissue in the body.

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.

It takes 69 to 420 licks to get to the center of a tootsie