Q: From which chamber of the heart does the blood get pumped out through the pulmonary artery?  

Answer: C

The right ventricle of the heart contracts and pumps the blood out through the pulmonary artery. As the right ventricle fills up with blood from the right atrium, its pressure increases, and the walls of the ventricle start to contract. The tricuspid valve closes due to the increased pressure, and the pulmonic valve opens, allowing blood to flow into the pulmonary artery. The pulmonary artery has two sections, and the first section carries blood to the right lung while the other carries blood to the left lung. It is the only artery that carries deoxygenated blood from the heart to the lungs for oxygenation.

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