The lungs and kidneys are the major organs involved in regulating blood pH. 1  The lungs flush acid out of the body by exhaling CO 2. 2  The kidneys excrete acids in the urine, and they regulate the concentration of bicarbonate (HCO 3 - , a base) in blood.
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Phone Contact Numbers. In the digital age, phone numbers are quickly being replaced with online forms and email addresses. We were able to find a few important customer service phone numbers, but not as many as we expected from a huge publication like the New York Times. 1  Customer Service (Home Delivery): 1-800-698-4637.  Customer Service (International Herald): 1-212-556-7194.