Choose 1 of the following questions to answer by day 3 (Wednesday) and include 2 references. Your post should be at least 250 words. Please remember to answer to 2 of your classmates’ discussions (on 2 separate days) by Saturday. The reply to your classmates should be at least 100 words each. The references (in APA format) are not included in the word count!
Discussion 2
What is pH? How do the respiratory and urinary systems regulate pH?
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