Physiology · Respiratory System · Medium
Chemoreceptor
Meaning: A sensory receptor that detects chemical changes, such as levels of oxygen, carbon dioxide or acidity in the blood.
In practice: Peripheral chemoreceptors in the carotid bodies respond to low oxygen.
Quick check
Two questions on related physiology words.
Which word means: Thinning and shortening of the cervix during labour.
Answer: Effacement
Which word means: Any stimulus or signal entering a physiological system to trigger a response.
Answer: Input
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