Biology for IGCSE & O level - Coordination And Response (Section 2 - No. 41)
Which organ is primarily responsible for the body's initial response to a stressful situation (e.g., 'fight or flight')?
The pancreas
The adrenal glands
The thyroid gland
The liver
Explanation
The adrenal glands release adrenaline, which is the primary hormone in the fight-or-flight response.
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