Anatomy and Cell Biology 3319 Lecture : Anatomy Notes
20 Feb 2012
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The simple nervous system (spinal reflexes) involves a pain reflex. The signal doesn t need to travel to the brain; it only needs to reach the spinal cord. The complex nervous system has three overlapping functions. It uses sensory receptors to monitor changes or stimuli. The gathered information is called a sensory input (afferent) and the information is carried from the body to the brain and spinal cord. Integration is where the nervous system processes the sensory input or information and decides what to do. It dictates a response by activating the effector organs. This response is called motor output (efferent) and the processed information is carried away from the brain and spinal cord to the body. Anhidrosis is a dysfunction of the nervous system where the person can t feel pain, heat, and cold. The part of the nervous system that is not functioning is the sensory input.
