What type of circulatory system is present in annelids and chordates?

What type of circulatory system is present in annelids and chordates?
  1. Open circulatory system
  2. Closed circulatory system
  3. Neither A) nor B)
  4. Both A) and B)

Solution

Annelids and chordates have a closed circulatory system. Blood pumped by the heart is always circulated through a closed network of blood vessels.

Asked in: NCERT

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