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CORDINATION, •sensory nerves carry messages from the receptors to the CNS,…

- - - - is a long-term condition that can affect people of all ages. People with schizophrenia may believe, see or hear things that are not real. This makes them confused and alters their behaviour
  - - - The symptoms of depression may include feeling sad or hopeless, and not enjoying things that you used to enjoy. However, it is not just feeling unhappy for a few days: it is a long-term condition that can be very serious
  - - - Attention deficit and hyperactivity often affect children, but they can also affect teenagers and adults.
- - - - EFFECTORS,which are the parts of the body that carry
        out the response - in humans, these are the muscles (which produce movement) and the glands (which
        produce hormones)
      - RECEPTORS, which detect stimuli and convert them into electrical signals; these electrical signals can be sent
        around the body as messages
  - - - FUNCTION
        
        coordinates
        our actions; it decides what we need to do and gives instructions to the rest of the body; it consists of the brain and the spinal cord
    - - FUNCTION
        
        carries messages around the body very quickly:
- - - - Tlking problems
    - - Movement pronblems
    - - disrupts the transmission of impulses
- - - - 1.When an impulse arrives at the end of a neuron, chemicals are released. They move
        across the synapse.
      - 2. A new impulse is produced in the next
        neuron.
- - - - • keeping the body temperature close to 37°C
        • maintaining the correct levels of various substances in the blood, including water, sugar and sodium ion This is done through the body's coordination systems
        
        They are two exaples for this
        
        Mantaining a costant tenperature
        
        Regulating blood sugar