NECO Biology 2025 Objective — Question 16
Question 16 of 50 from the National Examinations Council (NECO) Biology 2025 Objective paper, with the correct answer and a full explanation.
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The sympathetic nervous system causes
- A. constriction of the arteriesCorrect
- B. heartbeat to slow down
- C. increase in the secretion of saliva
- D. contraction of the bladder
Explanation
The sympathetic nervous system is responsible for the 'fight or flight' response, which includes constricting the arteries to increase blood pressure, helping the body respond to stressful situations by directing blood to vital organs and muscles.
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