Decide whether the following statments are true or false.
| Changes in body water are sensed by a "tonicity receptor" in the CNS. |
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| The "tonicity receptor" can sense changes as small as 1-2%. |
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| Fluid overload leads to increased secretion of antidiuretic hormone (ADH). |
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| The "tonicity receptor" is closely linked to the "thirst" centre. |
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EFW: Electrolyte free water