Answer:
Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart. The oxygen-poor blood enters the right atrium (RA), or the right upper chamber of the heart.
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The heart is the system's pump and the blood vessels are like the delivery routes and it is a muscle. The pumps are the beat. The heart is a muscle about the size of a fist and it is the muscle in the body that works the hardest. The statement that the heart muscle rests only between beats is true
Answer:
Key Takeaways. Manufacturers and stores benefit from the coupons they offer to consumers. ... Offering coupons is a way to market products and engage consumers. Coupons can entice customers to build loyalty with a specific company or product.
Explanation:
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Answer:
A monopoly
Explanation:
The person/busniness is the only supplier of a particular commodity.
Answer:
D. They occur where two or more bones join.
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