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4vir4ik [10]
2 years ago
9

Could someone pls help me with biology?

Biology
1 answer:
lora16 [44]2 years ago
7 0
The circulatory system provides your brain with a constant supply of oxygen rich blood while your brain regulates your heart rate and blood pressure meanwhile your bones are busy making new blood cells. working together these systems maintain internal stability and balance otherwise known as homeostasi
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