Question : The brain receives and sends signals in the form of _____.
Option 1: Chemical impulses
Option 2: Magnetic impulses
Option 3: Mechanical impulses
Option 4: Electrical impulses
Correct Answer: Electrical impulses
Solution : The correct option is Electrical impulses .
Electrical impulses or action potentials are used by the brain to transmit signals. These are fast changes in the electrical potential across neuron cell membranes that allow communication, and information transmission between different regions of the nervous system, and throughout the body.
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