A) Skin\[\to \]Nerves\[\to \]Hand is pulled back
B) Skin\[\to \]Nerves\[\to \]Spinal cord\[\to \]Nerves\[\to \]Hand is pulled back
C) Skin\[\to \]Brain\[\to \]Nerves\[\to \]Hand is pulled back
D) None of these
Correct Answer: B
Solution :
When we touch a hot kettle with our hand, our skin sends message to the spinal cord through nerves, and here the message is processed is sent again to the hand (skin) through nerves to pull back.
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