The gallbladder is a small pouch that sits just under the liver. The gallbladder stores bile produced by the liver. After meals, the gallbladder is empty and flat, like a deflated balloon.efore a meal, the gallbladder may be full of bile and about the size of a small pear. In response to signals, the gallbladder squeezes stored bile into the small intestine through a series of tubes called ducts. Bile helps digest fats, but the gallbladder itself is not essential.
U-substitution is for functions that can be written as the product of another function and its derivative. $$\int u du$$. Integration by parts is for functions that can be written as the product of another function and a third function's derivative.
1 Because Functional Integration is based on the same programming model as the application itself, tests of the integration are easier to tie to the testing of the application itself.2  This type of testing is also generally well-supported by test tools such as NUnit that target application testing. Because Functional Integration is based on the same programming model as the application itself, tests of the integration are easier to tie to the testing of the application itself.