What three mechanisms regulate the heart

1 answer:

5 0

The SA node, the cardiac center in the medulla oblongata, and the endocrine system

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$55u \ \ \ \ \ \ \Rightarrow \ \ \ \ \ 0,292\%\\
x \ \ \ \ \ \ \ \ \ \Rightarrow \ \ \ \ \ 100\%\\\\
x = \frac{55u*100\%}{0,292\%}\approx18835,62u$

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