When a person is infected with a virus, but does not develop symptoms of that virus, the person is said to be ____________________.
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Question 2) Presence of the HIV virus is primarily detected by testing a person's blood for _____________________________
_______ to the virus.
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Question 3) _____________________________
______ progressively destroys the body's T4lymphocytes, the immune system's key infection fighters.
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Question 4) A severe and sometimes fatal allergic reaction is called ____________________.
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Question 5) The body's ability to resist infections from pathogens is called ____________________.
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Question 6) The ____________________ stores large amounts of red blood cells that it will release during excessive bleeding or vigorous exercise.
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Question 7) There are three pairs of tonsils named ____________________, ____________________, and ____________________.
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Question 8) _________________________ are tiny, oval-shaped structures ranging in size from a pinhead to an almond.
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Question 9) ____________________ and ___________________ act as an intermediaries between the blood in the capillaries and the body's tissues.
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Question 10) The _________________________ can be considered a supplement to the circulatory system.
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