1. What are the three major components that make up the circulatory system and their respective functions?
2. What makes blood special?
3. What are the cellular components of the blood and its function?
4. What makes the human heart special?
5. How does deoxygenated blood flows into the heart?
6. What happens to the deoxygenated blood inside the heart?
7. What happens in the lungs?
8. Where will this oxygenated blood go to?
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Answer:
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