Physiology · Multiple Systems · Medium
Trigger
Meaning: A stimulus that initiates a physiological response or biochemical cascade.
In practice: A rise in CO2 levels triggers increased breathing via central chemoreceptors.
Quick check
Two questions on related physiology words.
Which word means: The act of passing urine.
Answer: Micturition
Which word means: The addition of a phosphate group to a molecule, key in activating enzymes and producing ATP.
Answer: Phosphorylation
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