Which body system is red marrow found

Its found in the medullary cavity of long bonds

red marrow I think is found in flat bones, such as the pelvic girdle and the sternum??

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

4) repetitive change