Network of Vessels Vital to the Immune System

This page is the CodyCross answer for the clue below from Sports, Group 160, Puzzle 1 (Six Nations Championship).

Question is: Network of Vessels Vital to the Immune System

and the answer is: LYMPHATIC

Word Meaning:

LYMPHATIC — (anatomy) Pertaining to lymph or the lymphatic system.

Definitions from Wiktionary.

Network of vessels vital to the immune system — CodyCross Answer | CodyCross Solutions