The presence of bright red blood in the stool is known as a. steatorrhea b. melena c. hematemesis d. hematochezia

The answer is letter d. Hematochezia. Most rectal bleeding comes from the colon, rectum, or anus and can be connected with diarrhea. Hematochezia is the passage of fresh blood through the anus, usually in or with stools.  Hematochezia is also known in medical term as rectal bleeding often associated with a stool and blood clots.  

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.