Heart and circulatory systems of bony fishes upto lymphatic system

1. Miller and Harley. Edition 5. Pp. 420-423.

2. https://opentextbc.ca/biology/chapter/21-1-overview-of-the-circulatory-system/

3. https://www.google.com/amp/s/www.livescience.com/amp/26983-lymphatic-system.html