Answer the following question given this paragraph: The duodenum is the first part of the small intestine. It is also the shortest part. This is where most chemical digestion takes place. Many enzymes and other substances involved in digestion are secreted into the duodenum. Q: The duodenum is the first and the shortest part of what, and is where most chemical digestion takes place? Choices: - rectum - large intestine - stomach - small intestine A:
small intestine

Answer the following question given this paragraph: Roundworms have organ-level organization, in which two or more types of tissues work together to perform a particular function as an organ. For example, a roundworm has a primitive brain that controls how the organism responds to the environment. Q: Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ? Choices: - bone-level organization - land-level organization - delicate - level organization - organ-level organization A:
organ-level organization

Answer the following question given this paragraph: Chemical reactions either absorb or release energy, which can be in the form of electricity. Electrochemistry is a branch of chemistry that deals with the interconversion of chemical energy and electrical energy. Electrochemistry has many common applications in everyday life. All sorts of batteries, from those used to power a flashlight to a calculator to an automobile, rely on chemical reactions to generate electricity. Electricity is used to plate objects with decorative metals like gold or chromium. Electrochemistry is important in the transmission of nerve impulses in biological systems. Redox chemistry, the transfer of electrons, is behind all electrochemical processes. Q: What is the name of a branch of the chemistry that deals with the interconversion of chemical energy and electrical energy? Choices: - Inorganic chemistry - Biochemistry - Theoretical Chemistry - electrochemistry A:
electrochemistry