Dorsal hollow nervous system consists of....

Options :
  1. Brain, spinal cord and neurocoel
  2. Brain, notochord and nerve cord
  3. Notochord, spinal cord and neurocoel
  4. Notochord, vertebral column and nurocoel
Answer and Explanation :-

Answer: Option 1

Explanation:

Dorsal, hollow central nervous system - consists of brain & spinal cord & contains a central cavity (called the neurocoel)

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