15. Glucose molecules enter a capillary bed at the villus and are transported vi
ID: 3482848 • Letter: 1
Question
15. Glucose molecules enter a capillary bed at the villus and are transported via the V a0 vein, which fuses with the vein to become the which transports the glucose to the liver. vein, Identify these three veins on an anatomical model. B. Protein Digestion and Absorption 1. Accessory organs in the oral cavity involved in mechanical digestion include and 2. Identify the secretory product(s) of each of the following cells: a. chief cell b. parietal cell c. enteroendocrine cell d. mucous cell 3. The protein-digesting enzyme pepsin is secreted in the stomach as a precursor molecule called ,which is converted to pepsin in . Pepsin hydrolyzes the presence of proteins into polypeptides. TheExplanation / Answer
15. Glucose molecules enter a capillary bed at villus and are transported via the BLOOD CAPILLARIES which fuses with the VENULES to become HEPATIC PORTAL VEIN which transports glucose to liver.
B. (1) Tongue, teeth and salivary glands.
(2) a. Cheif cells secrete lipase,renin and pepsinogen.
b. Parietal cells secrete HCl and intrinsic factor.
c. Enteroendocrine cells secrete Gastrin.
d.Mucous cells secrete Mucus.
3. The protein digesting enzyme is secreted as a precursor molecule known as PEPSINOGEN which is converted into pepsin in presence of HCl.Pepsin hydrolyses proteins into PEPTIDES and polypeptides.
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