The six parts of the digestive tract is called the: digestive system esophagus alimentary canal circulation system

mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck

digital rectal exam (dre) a digital rectal exam (dre) is a test for both men and women. it allows a doctor to check the lower rectum, pelvis, and lower belly for cancer and other health problems, including: prostate cancer in men.