 Sensory Function- Can sense a change in the body; hearing, seeing, smelling, taste, touch (pressure, pain, cold etc) balance.  Integrative Function-

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Presentation transcript:

 Sensory Function- Can sense a change in the body; hearing, seeing, smelling, taste, touch (pressure, pain, cold etc) balance.  Integrative Function- The ability to process the information it receives via sensory function (brain).  Motor Function- The ability to initiate a response to the information it has received and processed.  The overall function of the nervous system is to maintain homeostasis.

 1.) Central Nervous System (CNS)- Contains the brain and spinal cord,  Found along the vertebral midline of the body.  ALL sensory impulses arrive at the CNS and ALL motor nerve impulses originate at the CNS.

 2.) Peripheral Nervous System (PNS)- All the nerves that are outside the CNS.  It conveys all sensory and motor impulses between the CNS and the rest of the body.  Two types of nerves in this system;  Cranial Nerves- Originate from the brain and extend to the head and neck.  Spinal Nerves- Arise from the spinal cord to the body below the head.

 A. Somatic Nervous System- Voluntary nervous system these are the nerves that make you aware of the world around you.  B. Autonomic Nervous System-Involuntary control.  I. Sympathetic Division-Active during times of stress (exercise, emotional stress)  II.Parasympathetic Division- Active during normal body function (digestion, breathing).

 Highly specialized to respond to change in the environment.  Is capable of conducting impulses at high rates of speed.  Two Types; Neurons & Neuroglia.