Answer:
I'm pretty sure its solid
Technically there is only one phase unless you account for a solution where you have a pure liquid with something dissolved in it. Unless you count aqueous as a phase which is just dissolved. Since you are in high school the answer you are looking for is one. <span />
Answer:
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Explanation:
digestive and circulatory system are most important in breaking down food and distributing nutrients throughout the body.
To be honest No not at all