Question

1)How is oxygenated and deoxygenated blood distributed through fourchambers?

2) What is the structure that blood returns to the heartthrough and what chamber of the heart does it lead to?

3) Which chamber pumps oxygenated blood to the entire body,what structure does the blood pass through?

4) What is myocardium and which chamber has the thickest layerof myocardium, why?

5) Where is blood coming from when it enters the leftatrium?

6)What is the purpose of the bicuspid and tricuspidvalves?

7)What is the purpose of the sinoartrial node?

8)What are the papillary muscles?

9) What are purkinje fibers?

10) What would happen if there was a hole in the interatrialseptum or inerventricular septum?