Two natural categories of stem cells are ____________________ cells and tissue-specific cells from ____________________.
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Question 2) The ____________________ system consists of all hormone-secreting tissues.
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Question 3) Body systems maintain ____________________, a dynamic steady state in the internal environment.
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Question 4) ____________________ tissue is composed of cells specialized for contraction and force generation.
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Question 5) The fluid outside the cells is called ____________________ fluid.
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Question 6) ____________________ refers to maintenance of a relatively stable internal environment.
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Question 7) The ____________________ environment is the surrounding environment in which an organism lives.
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Question 8) The body cells are in direct contact with, and make life-sustaining exchanges with, the ____________________.
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Question 9) Except for ____________________, cells within connective tissue produce specific structural molecules that they release into extracellular spaces.
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Question 10) The ____________________ is the liquid part of the blood.
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