Circulatory System Variation in Animals

This lesson is part of:

The Circulatory System

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Earlier discussion

2 older comments kept for context.

Audrie Montefalco

Another name for the ATRIA is AURICLE....

and some biology text-books wrote "ATRIUM "....
So, don't get confused when you see Atria,Atrium and auricle..
'Cos they are still the same thing....

Elizabeth oyindamola

This topic So broad