What is the narrowing of the sphincter at the lower end of the stomach called?
a. Cirrhosis
b. IBD
c. Pyloric stenosis
d. Ulcer

The duct from the gallbladder to the common bile duct is the
a. common bile duct
b. pancreatic duct
c. cystic duct
d. hepatic duct

Which are the smallest of the salivary glands and are found under the sides of the tongue?
a. Palatine
b. Parotid
c. Sublingual
d. Submandibular

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.