`Na_(+)` level in body fluids is maintained by Aldosterone while water level in body fluids is main- tained by ADH.

Explanation

To determine the truth of the statement regarding the roles of aldosterone and ADH in maintaining sodium and water levels in body fluids, we can break down the information as follows:

### Step-by-Step Solution:

1. **Understanding Aldosterone's Role**:
- Aldosterone is a hormone produced by the adrenal glands.
- Its primary function is to regulate sodium (Na⁺) levels in the body.
- It promotes the reabsorption of sodium in the kidneys, specifically in the distal convoluted tubule and collecting duct.
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