The Red One Carries Oxygen
This page is the CodyCross answer for the clue below from Medieval Times, Group 236, Puzzle 3 (Corvee and Banalites).
Question
The Red One Carries Oxygen
Answer
BLOODCELL
Word Meaning:
BLOOD CELL — (hematology, cytology) Any of the cells normally found in blood, namely erythrocytes and leukocytes, sometimes including the platelets.
Definitions from Wiktionary.