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Sally had medical testing and discovered that her white blood cell count is lower than normal. Which of Sally′s body systems are most likely functioning improperly

A .nervous system and immune system
B .circulatory system and urinary system
C .circulatory system and immune system
D .nervous system and respiratory system

User Pietro Marchesi
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2 Answers

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4 votes
C. Citculatory system and immune system
User Jingjing
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6 votes
c. circulatory system and immune system’s
User Michael Gecht
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