Question

1. how to you maintain your blood ph?
2. an acid is any solution that has free ___.
3. a base is any solution that has free ___.
4. are rna and dna acidic or basic? ___

Explanation:

1. The body maintains blood pH through buffer systems (like the bicarbonate - carbonic acid buffer), the respiratory system (by adjusting carbon dioxide exhalation), and the urinary system (by excreting or reabsorbing hydrogen and bicarbonate ions).
2. An acid is a solution with free hydrogen ions ($H^+$).
3. A base is a solution with free hydroxide ions ($OH^-$).
4. RNA and DNA are acidic due to the presence of phosphate groups in their structure which can release hydrogen ions in solution.

Answer:

1. Through buffer systems, respiratory and urinary systems.
2. Hydrogen ions ($H^+$)
3. Hydroxide ions ($OH^-$)
4. Acidic