. The upper chambers of the heart are called
A: Auricles
B: Ventricles
C: Spiracles
D: Tentacles
Best Answer
Explaination:-
The heart has four chambers as right atrium, right ventricle, left atrium, left ventricle.
The upper chambers are known as Atrium while lower chambers are known as ventricles.
The function of these chambers is to separate oxygenated and deoygenated blood from mixing.
Final Answer:-
Hence the correct answer is option A i.e Auricles
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