Which one of the following statements is correct about the human circulatory system?
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Explanation:
The valves ensure that the blood does not flow backwards.
Option (C) is correct.
Explanation:
❤️The human circulatory system consists of many systems that are associated with each other.
❤️These systems are arteries, veins, heart, and vessels. There are further two types of vessels which are known as coronary vessel and portal vessel.
❤️The human circulatory system regulates the flow of blood in the body.
Blood flows from the heart to lungs and then back to heat in a cycle
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