Non-respiratory function of lungs ?: (A) Anion balance, (B) Sodium balance, (C) Potassium balance, (D) Calcium balance
Answer is B. Ans. is 'b' i.e., Sodium balance(Ref: Lecture notes on human physiology 4th/e p. 400]One of the most impoant metabolic (non-respiratory) function of lungs:As a pa of renin-angiotensin-aldosterone system, lungs indirectly regulate sodium and water balance (and BP).However, lungs also directly affect Na+ balance is epithelial Na+ channels (E NaCs).