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Question
Why do humans have a closed circulatory system?
Why do humans have a closed circulatory system?
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Solution
Closed circulatory system:
- The open circulatory system is found mainly in invertebrates. In this, the blood flows freely through cavities since there are no vessels to conduct the blood.
- A closed circulatory system is found in vertebrates. This system has vessels that conduct blood throughout the body.
- For humans, a closed circulatory system is more efficient at delivering blood and nutrients.
- This system creates pressure, enabling the blood to travel farther and deliver more oxygen.
- Animals with closed circulatory systems generally have a higher metabolism than animals with open circulatory systems.
Closed circulatory system:
- The open circulatory system is found mainly in invertebrates. In this, the blood flows freely through cavities since there are no vessels to conduct the blood.
- A closed circulatory system is found in vertebrates. This system has vessels that conduct blood throughout the body.
- For humans, a closed circulatory system is more efficient at delivering blood and nutrients.
- This system creates pressure, enabling the blood to travel farther and deliver more oxygen.
- Animals with closed circulatory systems generally have a higher metabolism than animals with open circulatory systems.
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