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Bond [772]
3 years ago
8

What levels of organ organization is shown in a human heart

Biology
1 answer:
dalvyx [7]3 years ago
8 0
I am like 99% sure  its organ , try that and see if it works :)
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The four main types of macromolecules are organic. What does organic
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Explanation:

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Biological macromolecule is organic so they contain carbon. A part of carbon they contain nitrogen, hydrogen and additional minor element.   Enzymes and some hormone are example of protein.

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