structure and function of the brain

  • Created by: cieran32
  • Created on: 20-09-18 10:10
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  • structure and function of the brain
    • cerebellum controls unconscious functions such as posture balance and non voluntary movement
      • regulates motor movements
      • coordinates voluntary movements, resulting in smooth and balanced muscular activity
    • pituitary glands store and release hormones that regulate many body functions
    • cerebrum controls voluntary actions such as learning, memory, personalty and conscious thought
      • the right hemisphere controls the muscles on the left side and vice versa
    • the brain is protected by the skull; also surrounded by the protective membranes called menings
      • there are five main areas in the brain and can be distinguished via the shape color or microscope structure
    • medulla oblongata used in autonomic control such as heart rate breathing
      • carries out and regulates life sustaining functions
    • the advantage of having a central control center for the body is that communications between billions of neurons involved is much faster than if they were different control centres
    • hypothalamus
      • regulatory center for temp and water balance
    • mid brain- portion of the CNS associated with the vision, hearing , motor control, sleep/wake , arousal (alertness) and temp, regulation
    • an adult brain contains approximately billion neurons
      • Brain is responsible for processing all the information collected by receptor cells about changes in the internal and external environment
      • also receives and processes information from the hormonal system through molecules in the blood

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