The receptors in hypothalamus that detect the stimulus of smell, taste and blood carbon dioxide concentration is:
Correct answer: C. Chemoreceptors
- A. Photoreceptors
- B. Mechanoreceptors
- C. Chemoreceptors
- D. All of the above
Explanation
Chemoreceptors respond to chemical changes, including odor molecules, taste substances and carbon dioxide levels in the blood. Photoreceptors detect light, while mechanoreceptors detect physical forces such as pressure.
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