The esophagus, a tube that carries food to the stomach, is constantly being scraped as food travels through it. why does the esophagus not deteriorate through a person’s lifetime? cells can anabolize the food prior to entering the esophagus. cells are constantly dividing and replacing old or damaged cells. cells promote a fluid to build up along the esophagus to reduce friction. cells build a type of protein called enzymes that act as an armor.

Drea has never had alcohol, but she believes her friends when they tell her that almost everybody at their school drinks on a regular basis. in reality, very few students at the school drink alcohol.which statement best describes what is occurring in this situation? a.peers are influencing what drea thinks of as normal behavior. b.peers are pressuring drea to drink. c.drea is not really influenced by what her peers think. d.drea is giving in to peer pressure.

Explain the purpose and function of the icd-10-pcs coding system, include reasons for the transition from icd-9 vol. 3.

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)