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aksik [14]
3 years ago
9

What are the four main parts of the circulatory system?

Biology
2 answers:
rewona [7]3 years ago
4 0
The heart, the blood vessels, lymphatic system (or defense system), and the blood are the four main parts of the circulatory system.

I hope this helps!!
Please make brainliest if you understood!!
Thank you!!
Anni [7]3 years ago
4 0
Heart, blood and blood vessels, veins, and capillaries

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