Psoriasis is a disease that causes a red rash on the skin. which body system does psoriasis affect? respiratory integumentary immune digestive circulatory

It effects the immune system. 

It will play a big role on the immune system.

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.

Dna strands are split apart to allow an opening for replication. the opening has two replication forks so synthesis goes toward them in 5' to 3' direction.