Answer: Ventricle I have also given the explaination.
Explanation: The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
The application of scientific knowledge for practical purposes, especially in industry. Hope it helps!
I’m pretty sure the answer is C. A change in the course of a River
