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kaheart [24]
2 years ago
11

When Jacob starts running, his legs move faster and his heart rate increases. Which types of muscles are involved in these chang

es
Biology
1 answer:
Andru [333]2 years ago
5 0
The answer is heart strings
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***If you found my answer helpful, please give me the brainliest, please give a nice rating, and the thanks ( heart icon :) ***

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