Which of the following components of the human circulatory system is responsible for pumping blood to all parts of the body?
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Worked Solution
Step 1: Identify the pump of the circulatory system.
Step [2-9]: The heart is a muscular organ that contracts to push blood through the vessels.
Step [2-9]: It circulates oxygenated and deoxygenated blood to the lungs and the rest of the body.
Correct answer: Heart
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