Multiple choice

Intercellular communication in multicellular organism occurs through :

  1. digestive system only

  2. respiratory system only

  3. nervous system only

  4. both nervous and endocrine system
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Animals have two systems of co-ordination i.e., nervous system and endocrine system. Neurones are the basic structural and functional units of the nervous system which spread through out the organism forming a complex communication network. Endocrine system release hormones for intercellular communication.

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