What part of the brain regulates osmolarity in the blood?
Understand the Problem
The question is asking which part of the brain is responsible for regulating the osmolarity of the blood. To answer this, we need to think about the functions of the different brain regions listed, particularly their roles in homeostasis and fluid balance.
Answer
The hypothalamus, specifically the supra-optic nucleus
The hypothalamus, specifically in the supra-optic nucleus, regulates osmolarity in the blood.
Answer for screen readers
The hypothalamus, specifically in the supra-optic nucleus, regulates osmolarity in the blood.
More Information
The hypothalamus contains osmoreceptors that detect changes in blood osmolarity and regulate the release of antidiuretic hormone (ADH) to maintain water balance.
Sources
- Osmoreceptor - Wikipedia - en.wikipedia.org
- Physiology, Osmoreceptors - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Blood Osmolarity - an overview | ScienceDirect Topics - sciencedirect.com
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