What is the major role of the diaphragm? in your own words

Know the answer cu

It is one of the main parts of the body. It is an essential part of the breathing process! It is the main muscle of respiration.

The answer is c i think

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.