In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:  
1.
Assertion:Output nerves carry the instruction signals to different parts of the body in the form of electrical impulse.
Reason:Thinking tissue in the brain instruct the muscular tissues to take actions
2.
Assertion:Change in shape of the cell results in the shortening of the cell and so the movement of the muscle occurs.
Reason:Contractile proteins change their arrangement in the cellular structure when stimulated by a electrical nerve impulse.