nervous system

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Author:
heyitsmarah
ID:
185951
Filename:
nervous system
Updated:
2012-11-28 20:45:59
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Nervous system
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Description:
Basic things about the nervous system, the senses and the brain
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  1. list the levels of organization in a multicellular organism from smallest to largest
    • Cells
    • Tissues
    • Organs
    • Organ system
  2. Stores mineral reserves and provides a site for blood cell formation.
    skeletal
  3. provides oxygen and removes carbon dioxide
    respiratory system
  4. coordinates the bodys response to changes in internal and external environments
    nervous system
  5. helps to circulate blood and move food thorugh the digestive system
    muscular system
  6. Controls Growth, Development and metabolism: Maintains homeostasis
    Endocrine system
  7. Produces reproductive cells
    Reproductive system
  8. Converts food so it can be used by cells
    Digestive system
  9. Helps protect the body from disease
    Lymphatic system
  10. Brings materials to cells fights infection and regulates body tempature.
    Circulatory system
  11. Serves as a barrier against infection
    Integumentary system
  12. Eliminates waste and maintains homeostasis
    Excretory system
  13. What are four types of tissue found in the human body?
    Epithelium, Connective, Nervous, Muscle
  14. Most abundant tissue in most animals is
    muscle tissue
  15. what kind of tissue covers the surface of the body and lines internal organs.
    Epithelial
  16. What is the process of maintaining a controlled stable internal environment.
    Homeostasis
  17. The process by which the product of a system shuts down the system or limits its operation is referred to as?
    Feedback Inhibition
  18. The part of the brain that monitors  and controls body temperature is?
    Hypothalamus
  19. What are the three types of neurons?
    • Sensory neurons
    • Inter neurons
    • Motor neurons
  20. Motor neurons carry impluses from the brain? True. false?
    True . Motor neurons carry impluses from the brain
  21. True or false? There are more sodium ions in the cytoplasm than the fluid outside the cell.
    false
  22. The difference in electrical charge across the cell membrane of a resting neuron is called?
    resting potential
  23. reversal of charges due to the flow of positive ions into a neuron
    action potential
  24. the minimum level of a stimulus that is required to activate a neuron is called the
    Threshold
  25. the location at which a neuron can transfer an impluse to another cell
    synapse
  26. The central nervous system consist of
     the brain and the spinal cord
  27. three layers of connective tissue is called the...
    Meninges
  28. The two hemispheres of the brain are connected by the 
    Corpus callosum
  29. The four lobes of the brain
    • Frontal lobe
    • Occipital Lobe
    • Parietal lobe
    • Temporal lobe
  30. The outter layer of the cerebrum is called the 
    cerebral cortext
  31. The two regions of the brain are 
    • Medulla Oblongata
    • Pons
  32. Ganglia, Cranial Nerves and spinal Nerves are apart of..
    Peripheral Nervous system
  33. Somatic nervous system controls the activies of 
    • lifting a finger
    • wiggling the toes
    • pulling foot away from tack
  34. 5 General categories of sensory receptors
    • Pain Receptors
    • Thermoreceptors
    • Mechanoreceptors
    • Chemoreceptors
    • photoreceptos
  35. Light enters the eye through the cornea
    the cornea
  36. The lens focuses light on 
    the retina
  37. The function of the iris is to adjust  the 
    is to adjust  the size of the pupil
  38. The two sensory functions of the ear
    • Hearing
    • Detecting positional changes
  39. Vibraitions enter through
    The auditory canal
  40. What we commonly call taste is actually smell. true ? false
    True
  41. Four Categories of taste
    •  salty
    • bitter
    • sweet
    • sour
  42. The skin contains sensory rceptors that respond to Temperature touch and pain. True? , False?
    true
  43. Cerebrum
    Controls voluntary activities of the body
  44. Cerebellum
    Coordinates and balances the actions of the muscles
  45. Brain stem
    regulates the flow of info between the brain and the rest of the body
  46. Thalamus
    Relays messages from the sense organs
  47. Hypothalamus
    Controls hunger, Thrist, anger, and body tempature.

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