It would be D because In an ectopic pregnancy, the fetus cannot survive. When an ectopic pregnancy ruptures, women often have abdominal pain and bleeding.
Explanation:
The heart has four chambers: two atria and two ventricles.
The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.
The right ventricle pumps the oxygen-poor blood to the lungs.
The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
