When food moves through the esophagus, the muscular contractions are wave-like. nutrients are absorbed in the esophagus. skeletal muscle carries out all of the muscular contractions of the wall. the muscular contractions are entirely involuntary. gravity is necessary to move food toward the stomach?

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

What is the genotype of the male circled in pink? ο χου lo xay xaya done answer was xay