Hello you are not surprised because you are familiar with the phenomenon of--referred pain.
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Answer: Gastroenterology
Explanation: Gastroenterology is a branch of medicine concerned with digestive diseases. The practice of gastroenterology concentrates on the diagnosis and treatment of diseases involving the esophagus, stomach, small intestine, and large intestine (colon), liver, and pancreas. Examples of conditions treated: Abdominal pain.
<span> the answer is commensalism</span>
Because it uncovers a truth many don’t see in science theory’s and thing that people might not have know giving them the curiosity to try something new and learn something new.
The answer is true because technology we develop today makes powerful medicine in which could help expand life spans. It also helps us cure diseases, injuries, or other life threatening causes.