Transferring messages from a motor neuron to a leg muscle requires the neurotransmitter known as

Lilas job is a secretary

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other. 

What do you mean exactly

The answer is d because , safety almost always works, to prevent stds and pregnancy