Question

B c A , then B- A is dash ​

Answer 1

Answer:

where is the question ???????????

Step-by-step explanation:

don't no

sorry

Answer 2

Answer:

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

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