Reabsorption of water in nephrons is regulated by …………

Explanation

**Step-by-Step Solution:**

1. **Identify the Context**: The question is about the reabsorption of water in nephrons, which are the functional units of the kidney.

2. **Understand the Role of Hormones**: The reabsorption of water in the nephrons is influenced by various hormones, particularly the Antidiuretic Hormone (ADH).

3. **Function of ADH**: ADH, also known as vasopressin, is responsible for regulating water reabsorption in the kidneys. It helps the body retain water and reduce urine output.

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