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the part of the hindbrain that controls autonomic functions such as breathing, digestion, heart function, blood vessel function, swallowing and sneezing. It also helps to transfer messages between various parts of the brain and the spinal cord.
(also called heterotrophic organisms) organisms that are not able to produce their own organic...
(also called polymers) large, more complex molecules formed when monomers join together.
the thin moist surface across which gaseous exchange occurs.