Circulatory system and ect

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What two things does the environment provide for cells?

Matter and energy

What is the internal environment?

It’s all the substances that are out of the cells,so they form part of the interstitial plasma.

Why does interstitial plasma have to be renewed continuously?What elements does this function perform?

Because new nutrients need to be provided and waste products can’t be allowed to accumulate and must be released. The blood.

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