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andre [41]
3 years ago
8

The heart is apart of what system

Biology
2 answers:
neonofarm [45]3 years ago
6 0

Answer:

The heart is part of the circulatory system.

Explanation:

Julli [10]3 years ago
4 0

Answer:

circulatory system

Explanation:

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Which variable should be changed in an experiment to test the best conditions for bacteria to grow? the type of bacteria used th
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