external respiration

NOUN
20 LETTERS · STARTS WITH E

external respiration is a valid 20-letter word worth 28 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
E1X8T1E1R1N1A1L1R1E1S1P3I1R1A1T1I1O1N1
1 + 8 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does external respiration mean?

NOUN · 1 SENSE
1

The bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation.