When right ventricle contracts, the blood is passed to the:
Correct answer: B. Pulmonary trunk
- A. Right atrium
- B. Pulmonary trunk
- C. Left ventricle
- D. Left atrium
Explanation
When the right ventricle contracts, the blood is passed to the pulmonary trunk. The right ventricle is one of the four chambers of the heart, and it is responsible for pumping deoxygenated blood received from the right atrium. When the right ventricle contracts during systole, it pushes the deoxygenated blood through the pulmonary valve and into the pulmonary trunk.
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The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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