CONTROL AND CO-ORDINATION

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Across
  1. 2. Certain proteins or tissues that help in transmitting impulses to sensory neurons.
  2. 4. It is a disorder caused by the hypersecretion of growth hormone.
  3. 5. Movement of plants in response to water.
  4. 8. The pathway through which the nerve impulses travel during reflex action.
  5. 10. A plant hormone that inhibits growth and causes wilting of leaves.
  6. 13. A plant hormone that helps in the growth of the plant in the presence of auxins.
  7. 16. A gland that releases the hormone which regulates the glucose level in the blood.
  8. 17. A bony covering of the brain for its protection.
  9. 21. The system composed of tissues that conduct messages in the body.
  10. 23. This disease is caused by deficiency of iodine.
  11. 24. Master gland which controls all other endocrine glands.
  12. 25. A change in the environment to which the body responds.
  13. 28. A gland which helps in the development of female secondary sexual characteristics.
  14. 29. The point of contact between the nerve ending of one neuron and the dendrites of another neuron where the impulse is conducted in chemical form.
  15. 31. The type of action which are not under the will of an individual and are automatic response.
  16. 32. The turning of all or part of a plant in a particular direction in response to an external stimulus.
  17. 34. The type of action which are performed knowingly.
  18. 38. It is a disorder caused by the hyposecretion of growth hormone.
  19. 39. Regulates secretions of the pituitary.
  20. 40. These are the chemical messengers released directly into the blood.
Down
  1. 1. Movement of plants in response to sunlight.
  2. 3. Movement of plants in response to chemicals.
  3. 6. It is a cylindrical bundle of nerve tissues that connects the brain to other parts of the body.
  4. 7. The structural and functional unit of the nervous system.
  5. 9. A quick, sudden and immediate response of the body to a stimulus.
  6. 11. A part of the neuron that contains the nucleus and mitochondria.
  7. 12. A gland which helps in the development of male secondary sexual characteristics.
  8. 14. Branched fibre-like structures extending from the cell body of a neuron.
  9. 15. A plant hormone present at the tips of the root and shoot.
  10. 18. The gland that releases the hormones that help in fight or flight situations.
  11. 19. A part of neuron that axon ends into.
  12. 20. An insulator covered around the axon.
  13. 22. Movement of plants in response to touch.
  14. 26. A plant hormone that promotes cell division.
  15. 27. A system in which the organs do not have ducts and release their secretions directly into the blood.
  16. 30. A part of the neuron extending from the cell body transmitting the impulse away from the cell body.
  17. 33. The message which is to be transmitted in the form of electricity.
  18. 35. Movement of plants in response to gravity.
  19. 36. Gland that produces hormone which if deficient can lead to hypothyroidism.
  20. 37. Deficiency of insulin causes this disease.