If u can help ill be greatly appreciated

1. G

2. D

3. H

4. A

5. F

6. C

7. E

8. B

Hope this helped

thinking it would be d not too sure but i think it's right

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 of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.