Biology
NULL
Medium
Question
In animals coordination is achieved by means of _________?
A
Respiratory system
B
Nervous system
C
Endocrine system
D
Both b and c
✓ Official correct answer
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A
Respiratory system
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B
Nervous system
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C
Endocrine system
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D
Both b and c
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Explanation
In animals, coordination of body activities is achieved through both the nervous system (fast, electrical signaling) and the endocrine system (slower, hormonal signaling), working together to regulate responses.