a
sympathetic and parasympathetic system
b
brain and spinal nerves
c
brain and cranial nerves
d
spinal cord and spinal nerves
Explanation
Correct Option
aNo explanation available
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Apexstarlight
4 months ago
A is correct reason why
The autonomic nervous system (ANS) in mammals consists of:
- Sympathetic nervous system
- Parasympathetic nervous system
These two work together to control involuntary actions (like heart rate, digestion, etc.)

