10th Class Science Control and Coordination

  • question_answer 11)
    Compare and contract nervous and hormonal mechanisms for control and coordination in animals.

    Answer:

       
    S. No. Nervous System Endocrine System (Hormonal System)
    1. Made of neurons or nerve cells. Made of secretory cells and glands.
    2. Massages transferred in the form of electrical impulses. Messages transferred in the form of chemicals called hormones.
    3. Messages transferred along the nerve fibres. Messages transmitted through blood system.
    4. Messages travel very quickly. Messages travel slowly.
    5. Effect of message usually last for a very short time. Effect of message usually lasts longer.
     


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