Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Topic Video
Question
![In the figure, cells of the
secrete HCI, which
Pepsinogen Pepsin
HCI
Lumen
a.
small intestine epithelium; keeps pepsin in its inactive form so the cells themselves are not digested
O b.
stomach epithelium; activates pepsinogen to form pepsin
O c.
pancreas; activates pepsinogen to form pepsin
d.
stomach submucosa; causes a low pH that activates pepsin
е.
pancreas epithelium; causes high acidity in the stomach, activating pepsinogen as a digestive enzyme](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2da8aeb2-8acf-49b5-a646-f6216fdb1d4b%2Fc99a775d-81dc-401b-b10a-f3d49839ceb7%2F3m7abakn_processed.png&w=3840&q=75)
Transcribed Image Text:In the figure, cells of the
secrete HCI, which
Pepsinogen Pepsin
HCI
Lumen
a.
small intestine epithelium; keeps pepsin in its inactive form so the cells themselves are not digested
O b.
stomach epithelium; activates pepsinogen to form pepsin
O c.
pancreas; activates pepsinogen to form pepsin
d.
stomach submucosa; causes a low pH that activates pepsin
е.
pancreas epithelium; causes high acidity in the stomach, activating pepsinogen as a digestive enzyme
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