Why does blocking nicotinic ACh receptors cause paralysis?

Which of the following is the location of the primary somatosensory cortex:

Norepinephrine primarily activates _________ receptors. 

What would happen if a sugar receptor were placed into a neuron that normally responded to heat?  

Upper motor neurons are part of the ________ level of motor control.

______ channels detect menthol and cold temperatures.

______ is a sleep disorder in which breathing temporarily and repeatedly stops.

The ________ controls focus by changing the shape of the lens.

Most people use their _______ for artistic, creative, and spatial skills. 

Blocking ______ receptors causes paralysis.