TOPIC 14: COORDINATION & CONTROL IN MAMMALS - KEYWORDS 1

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Across
  1. 4. /The central nervous system consists of the brain and ______.
  2. 5. /All parts of the nervous system; brain , spinal cord , and nerves , function by working together to ________ and regulate all bodily function.
  3. 7. /An effector can either be a muscle or _____ .
  4. 11. /The sensory impulses are carried or transmitted along nerve cells known as ________ , to the central nervous system
  5. 12. /Any changes in the environment that causes an organism to react.
  6. 14. /receptors inform the central nervous system of any change in the surroundings or inthe body by producing electrical nerve impulses called ______ .
  7. 15. /A bundle of neurons.
  8. 16. system /A system of the body that coordinates its actions and sensory information by transmitting electrical signals to and from different parts of its body through a series of neurones.
  9. 17. /The sense organ which allows us to see light and to change the size of pupil.
Down
  1. 1. system /A system of the body that coordinates its action depending on hormones that are released into the bloodstream from endocrine glands.
  2. 2. /The sense organ which enables us to hear sound.
  3. 3. /The brain initiates another nerve impulses called ______ that are transmitted to effector.
  4. 4. /The sense organ which enables us to feel the changes in temperature, pressure, texture and pain level.
  5. 6. /The sense organ which enables us to taste our food.
  6. 8. /A sense organ which receives a stimulus.
  7. 9. /The sense organ which enables us to smell our surrounding.
  8. 10. /The peripheral nervous system consists of the nerves such as motor neurons and ____ neurons.
  9. 13. /An organism’s reaction to a stimulus.